Utah Physic. for Healthy Env't v. Diesel Power Gear ( 2021 )


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  • Appellate Case: 20-4043     Document: 010110624784     Date Filed: 12/28/2021    Page: 1
    FILED
    United States Court of Appeals
    PUBLISH                                Tenth Circuit
    UNITED STATES COURT OF APPEALS                      December 28, 2021
    Christopher M. Wolpert
    FOR THE TENTH CIRCUIT                         Clerk of Court
    _________________________________
    UTAH PHYSICIANS FOR A HEALTHY
    ENVIRONMENT,
    Plaintiff - Appellee,
    v.                                                         No. 20-4043
    DIESEL POWER GEAR, LLC; B&W
    AUTO, LLC d/b/a Sparks Motors, LLC;
    DAVID W. SPARKS; and JOSHUA
    STUART,
    Defendants - Appellants,
    and
    4x4 ANYTHING LLC,
    Defendants.
    _________________________________
    Appeal from the United States District Court
    for the District of Utah
    (D.C. No. 2:17-CV-00032-RJS)
    _________________________________
    Cole S. Cannon (Janet M. Conway, on the briefs), Cannon Law Group, Salt Lake City,
    Utah, for Defendants-Appellants.
    Reed Zars (George E. Hays, Bellevue, Washington, with him on the brief), Laramie,
    Wyoming, for Plaintiff-Appellee.
    _________________________________
    Before HARTZ, BRISCOE, and CARSON, Circuit Judges.
    _________________________________
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021       Page: 2
    HARTZ, Circuit Judge.
    _________________________________
    Defendants’ businesses focus on large diesel trucks and related parts,
    merchandise, and media. In 2017 Defendants were sued by Plaintiff Utah Physicians
    for a Healthy Environment (UPHE), a nonprofit organization that alleged, among
    other things, that Defendants were tampering with required emission-control devices
    and installing so-called “defeat devices” in violation of the Clean Air Act (CAA) and
    Utah’s State Implementation Plan. After a bench trial the court entered judgment in
    favor of UPHE, finding Defendants collectively liable for hundreds of violations of
    the CAA and Utah’s plan and assessing over $760,000 in civil penalties. On appeal
    Defendants challenge UPHE’s Article III and statutory standing, the district court’s
    inclusion of certain kinds of transactions in its tabulation of violations, and the
    court’s penalty analysis. Exercising jurisdiction under 
    28 U.S.C. § 1291
    , we affirm in
    part and reverse in part. Although we reject most of Defendants’ arguments, we must
    remand to the district court for additional proceedings because (1) UPHE lacks
    Article III standing to complain of conduct by Defendants that has not contributed to
    air pollution in Utah’s Wasatch Front and (2) the district court needs to reevaluate the
    seriousness of Defendants’ violations of the Utah plan’s anti-tampering provision.
    I.     STATUTORY FRAMEWORK
    The CAA distributes responsibilities among the States and the federal
    Environmental Protection Agency (EPA) in what has been called a “cooperative-
    federalism approach.” US Magnesium, LLC v. EPA, 
    690 F.3d 1157
    , 1159 (10th Cir.
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    2012). The EPA promulgates National Ambient Air Quality Standards (NAAQS),
    which set limits on maximum concentrations of various pollutants. See Nat’l Parks
    Conservation Ass’n, Inc. v. TVA, 
    480 F.3d 410
    , 412 (6th Cir. 2007); 
    42 U.S.C. § 7409
    . To date, the EPA has established NAAQS for six pollutants: carbon
    monoxide, lead, oxides of nitrogen, ozone, sulfur oxides, and particulate matter (with
    separate standards for PM10 (particles with a diameter less than 10 micrometers) and
    PM2.5 (particles with a diameter less than 2.5 micrometers)). See 
    40 C.F.R. §§ 50.4
    –
    12.
    The States have the primary responsibility to ensure that those limits are
    satisfied. See 
    42 U.S.C. § 7407
    (a). Each State must submit to the EPA a state
    implementation plan (SIP) that “provides for implementation, maintenance, and
    enforcement of [NAAQS].” 
    Id.
     § 7410(a)(1). The SIP is subject to approval by the
    EPA Administrator. See id. § 7410(k).
    State SIP submissions must include “a list of all areas (or portions thereof) in
    the State, designating [them] as” (1) nonattainment (areas that fail to meet, or
    contribute to another area failing to meet, the NAAQS); (2) attainment (areas that
    meet, and do not contribute to another area not meeting, the NAAQS); or
    (3) unclassifiable (areas that cannot be classified on the basis of available
    information). See id. § 7407(d). The EPA may modify a State’s proposed
    designations (including boundaries) as necessary but must first give the State an
    opportunity to respond. See id. § 7407(d)(1)(B)(ii). The consequences of being a
    nonattainment area are significant. The State must submit a corrective plan, see id.
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    § 7502(c) (setting out requirements for nonattainment plan provisions); Ukeiley v.
    EPA, 
    896 F.3d 1158
    , 1161 (10th Cir. 2018), and federal assistance is unavailable for
    any activity that does not conform to the implementation plan, see 
    42 U.S.C. § 7506
    (c)(1), (5). Nonattainment areas may encompass territory in multiple states.
    See 
    id.
     § 7407(d)(1)(A)(i) (defining nonattainment area as “any area that does not
    meet (or that contributes to ambient air quality in a nearby area that does not meet)
    the national primary or secondary air quality standard for the pollutant” (emphasis
    added)). For example, several PM2.5 nonattainment areas cross state boundaries.1
    As a general rule, the States’ principal responsibility is stationary sources like
    factories and power plants (governed by Title I of the CAA), while the EPA has
    primary responsibility over mobile sources (governed by Title II of the Act).2 In
    particular, SIPs must provide for administration and enforcement of the permitting
    programs described in Title V of the CAA. See id. §§ 7410(a)(2)(C), 7661a(d). The
    1
    See Air Quality Designations for the 2006 24-Hour Fine Particle (PM2.5), 
    74 Fed. Reg. 58688
    , 58696 (Nov. 13, 2009) (identifying 24-hour PM2.5 nonattainment
    areas in, for instance, (1) “Logan, UT-ID,” (2) “New York-N. New Jersey-Long
    Island, NY-NJ-CT,” and (3) “Philadelphia-Wilmington, PA-NJ-DE”).
    2
    See Engine Mfrs. Ass’n v. EPA, 
    88 F.3d 1075
    , 1078–79 (D.C. Cir. 1996)
    (“The CAA contemplated that the states would carry out their responsibility chiefly
    by regulating stationary sources, such as factories and power plants.”); Approval and
    Promulgation of Implementation Plans; California; California Mobile Source
    Regulations, 
    83 Fed. Reg. 8403
    , 8403 (proposed Feb. 27, 2018) (“Emissions sources
    contributing to ambient air pollution levels can be divided into two basic categories:
    Stationary emissions sources and mobile emissions sources. As a general matter, the
    CAA assigns stationary source regulation and SIP development responsibilities to the
    states through title I of the Act and assigns mobile source regulation to the EPA
    through title II of the Act.”).
    4
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    permit programs contained in SIP proposals must cover “[a]ny major source.” 
    40 C.F.R. § 70.3
    (a). “The general definition of ‘major source’ . . . includes any source
    that emits or has the potential to emit 100 tons per year of any air pollutant. Lower
    thresholds apply to emissions of hazardous air pollutants and to sources located in
    certain nonattainment areas.” David R. Wooley & Elizabeth M. Morss, Clean Air Act
    Handbook, § 8:7 n.1 (Sept. 2021 update); see 
    42 U.S.C. § 7602
    (j); 
    40 C.F.R. §§ 70.2
    , 70.3(a). “Because EPA and the states have taken steps to exclude smaller
    sources from the Title V permitting program, most Title V permits are issued to
    ‘major sources.’” Wooley & Morss, Clean Air Act Handbook § 8:7.
    In contrast, mobile pollution sources, such as motor vehicles, are primarily
    subject to EPA regulation under Title II of the CAA. “Th[is] regulatory difference”
    between stationary and mobile sources has been attributed to “the difficulty of
    subjecting motor vehicles, which readily move across state boundaries, to control by
    individual states,” as well as Congress’s concern that allowing each State to fashion
    its own regulations for motor vehicles would give rise to “an anarchic patchwork of
    federal and state regulatory programs, a prospect which threatened to create
    nightmares for the manufacturers.” Engine Mfrs. Ass’n v. EPA, 
    88 F.3d 1075
    , 1079
    (D.C. Cir. 1996) (internal quotation marks omitted). In fact, the CAA explicitly
    prohibits States and localities from “adopt[ing] or attempt[ing] to enforce any
    standard relating to the control of emissions from new motor vehicles or new motor
    vehicle engines subject to [Title II Motor Vehicle Emission and Fuel Standards].” 
    42 U.S.C. § 7543
    (a). The EPA has exempted only California from the prohibition
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    against state or local emission standards for new motor vehicles. See Comm. for a
    Better Arvin v. EPA, 
    786 F.3d 1169
    , 1174 (9th Cir. 2015); 
    42 U.S.C. § 7543
    (a),
    (b)(1).
    Of particular relevance to this litigation, Title II has two provisions to make
    sure that emission-control devices required for new vehicles will be effective after
    retail sale. One prohibits tampering with such devices. It makes it unlawful:
    for any person to remove or render inoperative any device or element of
    design installed on or in a motor vehicle or motor vehicle engine in
    compliance with regulations under this subchapter prior to its sale and
    delivery to the ultimate purchaser, or for any person knowingly to
    remove or render inoperative any such device or element of design after
    such sale and delivery to the ultimate purchaser[.]
    
    42 U.S.C. § 7522
    (a)(3)(A). The other prohibits “defeat devices” that prevent the
    original devices from performing as intended. It makes it unlawful:
    for any person to manufacture or sell, or offer to sell, or install, any part
    or component intended for use with, or as part of, any motor vehicle or
    motor vehicle engine, where a principal effect of the part or component
    is to bypass, defeat, or render inoperative any device or element of
    design installed on or in a motor vehicle or motor vehicle engine in
    compliance with regulations under this subchapter, and where the
    person knows or should know that such part or component is being
    offered for sale or installed for such use or put to such use[.]
    
    Id.
     § 7522(a)(3)(B).
    States may, however, “control, regulate, or restrict the use, operation, or
    movement of registered or licensed motor vehicles.” Id. § 7543(d). This “preserves
    state and local governments’ authority over post-sale motor vehicles.” In re
    Volkswagen “Clean Diesel” Mktg., Sales Pracs., & Prods. Liab. Litig., 
    959 F.3d 1201
    , 1216 (9th Cir. 2020), cert denied sub nom. Volkswagen Grp. v. EPC of
    6
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    Hillsborough Cnty., No. 20-994, 
    2021 WL 5284826
     (U.S. Nov. 15, 2021) [hereinafter
    Counties] (emphasis added). In some circumstances a State SIP may be required to
    include regulations on post-sale motor vehicles, such as by providing for an
    emission-control inspection and maintenance program in certain ozone nonattainment
    areas. See 42 U.S.C. § 7511a. Otherwise, SIP regulation of post-sale vehicles, such as
    Utah’s anti-tampering provisions, is voluntary. See Counties, 959 F.3d at 1219–21
    (counties’ post-sale anti-tampering rules neither expressly nor impliedly preempted
    by CAA); 
    42 U.S.C. § 7410
     (specifying what must be included in a SIP); 
    id.
     § 7509
    (penalties for state noncompliance). As the EPA stated in disapproving the anti-
    tampering provisions in Texas’s SIP: “Texas’ statewide tampering prohibitions are
    part of the state SIP but are not required under [
    42 U.S.C. § 7509
    (a)]. . . . Since State
    tampering rules are not required by the [CAA], this final disapproval action does not
    impose sanctions for failure to meet the Act requirements.” Approval &
    Promulgation of Air Quality State Implementation Plans (SIP); Texas; Disapproval of
    Revisions to the State Implementation Plan, 
    63 Fed. Reg. 6651
    , 6652 (Feb. 10, 1998)
    (emphasis added).
    Enforcement of clean-air law is also a joint federal-state responsibility,
    although with some assistance from private citizens. An approved SIP “has the force
    and effect of federal law,” and, like the CAA itself, can be enforced in federal court.
    Espinosa v. Roswell Tower, Inc., 
    32 F.3d 491
    , 492 (10th Cir. 1994); see 
    42 U.S.C. § 7413
    (a)–(b). The CAA empowers the EPA to seek civil and administrative
    penalties, issue orders requiring compliance, seek judicial injunctive relief, and even
    7
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    request the Attorney General to pursue criminal sanctions for violations of the CAA.
    See 
    42 U.S.C. § 7413
    . The maximum civil penalty for violation of a SIP was
    originally set at $25,000 per day per violation, see 
    id.
     § 7413(b), and has since been
    adjusted upward for inflation to more than $100,000.3 (Recall that the typical SIP
    violation concerns a major source, such as a factory or power plant.) But enforcement
    of Title II of the CAA (which concerns mobile sources such as cars and trucks),
    subject to “certain limited exceptions,” is not covered “by the general enforcement
    provisions of [
    42 U.S.C. § 7413
    ].” Wooley & Morss, Clean Air Act Handbook,
    § 11:25. Instead, enforcement of the vehicle-related provisions in Title II is addressed
    in 
    42 U.S.C. § 7524
    , which provides that “[a]ny person other than a manufacturer or
    dealer who violates [42 U.S.C.] section 7522(a)(3)(A) [the CAA anti-tampering
    provision] . . . or any person who violates section 7522(a)(3)(B) [the CAA defeat-
    device provision] . . . shall be subject to a civil penalty of not more than $2,500 [now
    about $5,000].”4 Further, violations of the CAA anti-tampering provision
    3
    Under the Federal Civil Penalties Inflation Adjustment Act of 1990, Pub. L.
    No. 101-410, 
    104 Stat. 890
    , and the Federal Civil Penalties Inflation Adjustment Act
    Improvements Act of 2015, Pub. L. No. 114-74, § 701, 
    129 Stat. 584
    , 599, the EPA
    has substantially increased the CAA statutory penalty amounts. See Civil Monetary
    Penalty Inflation Adjustment, 
    85 Fed. Reg. 1751
     (Jan. 13, 2020). For SIP violations
    that occurred after November 2, 2015 and for which the penalties are assessed on or
    after December 23, 2020, the maximum allowable penalty is $102,638 per day for
    each violation. See 
    40 C.F.R. § 19.4
     tbl.1.
    4
    
    40 C.F.R. § 19.4
     sets forth inflation-adjusted penalty amounts for this
    section, too. For tampering or defeat-device violations that occur after November 2,
    2015 and for which the penalties are assessed on or after December 23, 2020, the
    maximum allowable penalty is $4,876 for each violation. See 
    40 C.F.R. § 19.4
     tbl.1.
    8
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    (§ 7522(a)(3)(A)) “shall constitute a separate offense with respect to each motor
    vehicle or motor vehicle engine” (as opposed to making each act of tampering a
    separate offense), while violations of the CAA defeat-device provision
    (§ 7522(a)(3)(B)) “shall constitute a separate offense with respect to each part or
    component.” Id. § 7524(a).
    Private citizens may sue for any “violation of . . . an emission standard or
    limitation under [the CAA].” 
    42 U.S.C. § 7604
    (a)(1). And the court may apply civil
    penalties. See id.; US Magnesium, 690 F.3d at 1159. A State, however, is confined to
    seeking only state-law remedies for violation of a SIP.5
    Utah’s SIP was officially submitted in 1972. See 
    40 C.F.R. § 52.2324
    . That
    submission and a number of proposed revisions have been approved by the EPA. See
    5
    See Espinosa, 
    32 F.3d at 493
     (“There is no language in the [CAA] that
    authorizes a state to bring a federal enforcement action.”); 
    40 C.F.R. § 70.11
    (establishing minimum requirements for state enforcement programs); Train v. Nat.
    Res. Def. Council, Inc., 
    421 U.S. 60
    , 92 n.27 (1975) (noting availability, in addition
    to federal enforcement by EPA and citizens, of “whatever state [enforcement]
    procedures are available under the [SIP]”); W. Richard Bidstrup, Gale F. Hoffnagle,
    & David Patrick, Clean Air Permits: Manager’s Guide to the 1990 Clean Air Act, §
    915 (2011) (“Each state has its own laws authorizing civil and criminal enforcement
    of its air pollution control laws and regulations.”).
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    id. Relevant here, Utah SIP Regulation R307-201-26 prohibits tampering with
    federally mandated emission-control devices.7
    In addition to the substantive anti-tampering rules included in R307-201-2,
    Utah state law also provides for penalties of up to $5,000 per day for any violation of
    the State’s Environmental Quality Code or the lawful orders or rules adopted
    thereunder. See 
    Utah Code Ann. § 19-1-303
    .
    II.    BACKGROUND
    Defendant Diesel Power Gear, LLC (DPG) is a “lifestyle brand company” that
    sells apparel and other accessories that cater to “the diesel truck lifestyle.” Sparks
    affidavit, Aplt. App., Vol. 3 at 50. Defendant B&W Auto, LLC—which also goes by
    the trade name “Sparks Motors”—is a used-car dealership and repair shop in
    Bountiful, Utah, which specializes in buying and making custom modifications to
    large diesel trucks for resale. Defendant David Sparks is the manager and sole owner
    of B&W and the chief executive officer and principal owner of DPG. Defendant
    Joshua Stuart is a part-owner of DPG and its chief financial officer and chief
    6
    Although the version of the rule available on the EPA’s website (and
    incorporated by reference into Utah’s SIP in 
    40 C.F.R. § 52.2324
    ) is labeled R307-
    201-2, it appears that a slightly different version of the rule labeled R307-201-4 has
    since been adopted by the State of Utah, see Utah Admin. Code R307-201-4.
    Although the differences between the two rules seem irrelevant to the issues on
    appeal, R307-201-4 does not appear to have been approved yet by the EPA, so we
    refer throughout the opinion to R307-201-2.
    7
    See Utah SIP: Table c, R307-201. Emission Standards: General Emission
    Standards, EPA, https://www.epa.gov/sips-ut/utah-sip-table-c-r307-201-emission-
    standards-general-emission-standards (last visited Nov. 1, 2021); 
    40 C.F.R. § 52.2324
    (c)(59)(i)(A).
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    operating officer. Keaton Hoskins, named as a defendant in the original complaint,
    has performed marketing for DieselSellerz.com, an online truck-classifieds website
    affiliated with B&W and DPG. Original defendant 4x4 Anything is merely a d/b/a of
    DPG.
    B&W and DPG began to grow rapidly in 2013, “quickly bec[oming]
    established names in the diesel truck community.” 
    Id. at 52
    . This growth was partly
    fueled by promotional videos posted to the internet and social-media platforms. The
    business was also promoted through a sweepstakes which awarded B&W custom-
    built trucks to the winners. In 2016 the Discovery Channel premiered “Diesel
    Brothers,” a reality television show starring Sparks, Stuart, Hoskins, and David
    Kiley, another part-owner and employee of DPG. The show “feature[d] diesel trucks
    being custom built for off-road recreational use,” Sparks affidavit II, Aplt. App., Vol.
    10 at 94, and averaged over two million viewers per episode in its first season.
    UPHE is a nonprofit organization of Utah healthcare professionals and
    concerned citizens. In July 2016 it provided written notice of its intent to sue DPG,
    B&W, Sparks, and Stuart under the citizen-suit provision of the CAA, 
    42 U.S.C. § 7604.8
     The notice alleged repeated and ongoing violations of the Act, including the
    removal and circumvention of emission-control systems, as well as the advertisement
    8
    It also provided notice to and sued Kiley, DieselSellerz.com, 4x4 Anything,
    LLC, and Hoskins, which are not named appellants because Kiley and
    DieselSellerz.com were dismissed in district court; 4x4 Anything is merely a d/b/a of
    DPG; and, after filing a notice of appeal, Hoskins settled with UPHE and the United
    States and we dismissed his appeal.
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    and sale of so-called “aftermarket defeat parts”—parts “that have the principal effect
    of bypassing, defeating, or rendering inoperative emission control devices on
    certified diesel vehicles,” Aplt. App., Vol. 1 at 76–77. UPHE also gave notice to the
    Administrator of the EPA and the State of Utah, as required by 
    42 U.S.C. § 7604
    (b)(1). In October 2016 UPHE sent a supplemental letter to the same persons
    and entities, identifying additional violations of regulations included in Utah’s SIP.
    In January 2017 UPHE filed suit in the United States District Court for the
    District of Utah. Its amended complaint asserted 25 claims under the CAA and
    Utah’s SIP. The relevant claims can be grouped into five categories: (1) allegations
    that B&W and Sparks removed existing emission-control devices from at least 17
    diesel vehicles; (2) allegations that DPG, Sparks, and Stuart sold or offered to sell
    aftermarket defeat parts; (3) allegations that B&W and Sparks installed aftermarket
    defeat parts; (4) allegations that B&W, DPG, Sparks, and Stuart sold or offered to
    sell vehicles with aftermarket defeat parts; and (5) allegations that B&W, DPG, and
    Sparks owned and operated Utah-registered vehicles “without maintaining all
    emission control systems and devices in operable condition,” 
    id. at 146
    , in violation
    of Utah SIP Regulation R307-201-2. UPHE alleged that these violations resulted in
    “the excessive emission of harmful pollutants from diesel vehicles” into the airshed
    of the Wasatch Front, 
    id. at 29
    , an area in northern Utah home to more than three-
    fourths of the State’s population. It said that these emissions “contribute to the[]
    adverse [health] effects” experienced by its members, including impaired vision,
    reduced lung capacity, sinus irritation, and coughing spells, and that they “suffer
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    from a reduced enjoyment of life when they are forced to avoid [recreational]
    activities . . ., or are unable to see with clarity the beautiful scenery that once was
    visible, due to high pollution levels.” 
    Id. at 33
    . UPHE sought declaratory and
    injunctive relief, as well as civil monetary penalties available for violations of both
    the CAA and Utah’s SIP.
    The parties filed cross-motions for full or partial summary judgment.
    Defendants sought summary judgment on each of UPHE’s 25 claims, arguing that
    UPHE “lack[ed] standing to maintain this citizen suit under the [CAA]” because
    “Defendants’ minimal contribution of increased emissions cannot be fairly traced to
    [UPHE’s] injuries.” Aplt. App., Vol. 8 at 92. Alternatively, Defendants maintained
    that even if UPHE did have standing, summary judgment on most of the claims
    would still be appropriate on the merits. The district court denied Defendants’
    motion. See Utah Physicians for a Healthy Env’t v. Diesel Power Gear LLC (UPHE
    I), 
    374 F. Supp. 3d 1124
    , 1145 (D. Utah 2019). For its part, UPHE submitted
    summary-judgment motions on many of its claims. Some of the motions were
    successful, and the court then held a three-day bench trial to resolve the remaining
    liability issues and to assess civil penalties. See Utah Physicians for a Healthy Env’t
    v. Diesel Power Gear LLC (UPHE II), No. 2:17-cv-00032-RJS-DBP, 
    2020 WL 4282148
    , at *1 (D. Utah Mar. 6, 2020). The court determined that it could impose
    statutory penalties totaling $117,290,620 against Defendants, but applying the seven
    factors set forth in 
    42 U.S.C. § 7413
    (e)(1), see 
    id. at *20
    , it imposed much smaller
    penalties than the maximum permitted, and ultimately ordered B&W to pay
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    $114,426; B&W and Sparks (jointly and severally) to pay $333,700; B&W, Sparks,
    and DPG (jointly and severally) to pay $90,000; and DPG, Sparks, and Stuart (jointly
    and severally) to pay $227,218. See 
    id. at *27
    . It also granted injunctive relief,
    permanently enjoining Defendants “from: (1) removing or rendering inoperative
    federally-required emission control systems in diesel trucks; (2) installing parts or
    components in diesel trucks that bypass, defeat, or render inoperative federally-
    required emission control systems; (3) offering to sell or selling defeat parts;
    (4) removing or making inoperable a federally-required emission control system,
    device, or any part thereof; and (5) owning or operating vehicles with disabled
    emission-control systems.” 
    Id.
     Finally, the district court awarded UPHE its litigation
    costs, including reasonable attorney fees. See 
    id. at *28
    .
    On appeal Defendants raise five challenges to the judgment. They argue
    (1) that UPHE lacked Article III standing to bring any of the claims; (2) that the court
    committed plain error in ruling that UPHE had statutory standing to pursue its claims
    under the CAA; (3) that Defendants were not liable for CAA violations with respect
    to vehicles awarded as sweepstakes prizes; (4) that Defendants were not liable for
    CAA violations with respect to vehicles sold “as is”; and (5) that the court made
    various errors in calculating the penalties.
    We largely affirm the judgment of the district court. But we must remand for
    further factual findings on one issue. We hold that UPHE lacks standing to seek
    penalties for violations that did not cause the emission of pollutants in the Wasatch
    Front, but the record needs further development to determine what adjustment, if any,
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    must be made to the penalty assessment. Remand is also required because we hold
    that the district court abused its discretion in weighing one of the penalty-assessment
    criteria (namely, seriousness of the violation) in imposing penalties for tampering
    under the SIP penalty provision.
    III.   DISCUSSION
    A.     Article III Standing
    Article III of the Constitution limits the jurisdiction of the federal courts to
    “Cases” and “Controversies.” U.S. Const. art. III, § 2, cl. 1. An essential component
    of a Case or Controversy is that the party bringing the action have standing. See
    Habecker v. Town of Estes Park, 
    518 F.3d 1217
    , 1223 (10th Cir. 2008). Because
    Defendants have raised serious questions about UPHE’s Article III standing to pursue
    the claims against them, we address the matter at some length. We review de novo
    the district court’s determination at summary judgment that UPHE has Article III
    standing to pursue all its claims under the CAA and Utah’s SIP. See 
    id.
    In general, a plaintiff has standing when “(1) it has suffered an ‘injury in fact’
    that is (a) concrete and particularized and (b) actual or imminent, not conjectural or
    hypothetical; (2) the injury is fairly traceable to the challenged action of the
    defendant; and (3) it is likely, as opposed to merely speculative, that the injury will
    be redressed by a favorable decision.” Friends of the Earth, Inc. v. Laidlaw Env’t
    Servs. (TOC), Inc., 
    528 U.S. 167
    , 180–81 (2000). “We refer to these three familiar
    requirements as injury in fact, causation, and redressability.” Habecker, 
    518 F.3d at 1224
    . Additional requirements must be satisfied when the plaintiff is an organization
    15
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021     Page: 16
    suing on behalf of its members, such as UPHE in this case. The organization has
    standing only “[1] when its members would otherwise have standing to sue in their
    own right, [2] the interests at stake are germane to the organization’s purpose, and
    [3] neither the claim asserted nor the relief requested requires the participation of
    individual members in the lawsuit.” Laidlaw, 
    528 U.S. at 181
    . Because the second
    and third conditions are unquestionably satisfied here (protecting the environment is
    a core purpose of UPHE and the relief it seeks does not require the participation of
    individual members, cf. Warth v. Seldin, 
    422 U.S. 490
    , 515–16 (1975) (homebuilders
    association lacked standing to seek damages on behalf of its members when injuries
    were “peculiar to the individual member[s] concerned, and both the fact and extent of
    injury would require individualized proof”)), we focus solely on whether members of
    UPHE would have standing in their own right.9
    As for the standing of the individual members of UPHE, the first and third
    requirements are not in serious doubt. Defendants do not dispute (nor do we see a
    basis for them to do so) the district court’s determination that UPHE members
    suffered injury in fact because of “adverse health effects from elevated air pollution
    in the Wasatch Front or exposure to diesel exhaust” and reduced participation “in
    outdoor recreational activities due [to] their concerns about fine particulate matter
    9
    The Supreme Court in United Food & Commercial Workers Union Local 751
    v. Brown Group, Inc., 
    517 U.S. 544
    , 554–56 (1996), concluded that the first two
    prongs of the organizational-standing test have an Article III element, although the
    third does not and is solely a matter of prudential standing.
    16
    Appellate Case: 20-4043     Document: 010110624784         Date Filed: 12/28/2021     Page: 17
    pollution.” UPHE I, 374 F. Supp. 3d at 1132. Also, the members’ injuries are
    redressable through both injunctive relief and the imposition of penalties on
    wrongdoers whose violations were ongoing at the time UPHE filed suit. See Laidlaw,
    
    528 U.S. at 186
     (Environmental group had standing to seek not only injunctive relief,
    but also civil penalties because by “encourag[ing] defendants to discontinue current
    violations [of the Clean Water Act (CWA)] and deter[ring] them from committing
    future ones, [civil penalties] afford redress to citizen plaintiffs who are injured or
    threatened with injury as a consequence of ongoing unlawful conduct.”); Benham v.
    Ozark Materials River Rock, LLC, 
    885 F.3d 1267
    , 1273 (10th Cir. 2018)
    (“redressability element . . . handily met” in CWA citizen suit, since “the injunctive
    relief and civil penalties sought by [the plaintiff] and ordered by the district court
    w[ould] restore the unlawfully filled wetlands and deter future violations”).
    There remains the question of causation: Are the injuries of the UPHE
    members “fairly traceable to the challenged action[s]” of Defendants? Laidlaw, 
    528 U.S. at 180
    . Although “Article III does at least require proof of a substantial
    likelihood that the defendant’s conduct caused plaintiff’s injury in fact,” it “demands
    something less than the concept of proximate cause” found in tort law. Nova Health
    Sys. v. Gandy, 
    416 F.3d 1149
    , 1156 (10th Cir. 2005) (internal quotation marks
    omitted); see Pub. Int. Rsch. Grp. of N.J., Inc. v. Powell Duffryn Terminals Inc., 
    913 F.2d 64
    , 72 (3d Cir. 1990) (“A plaintiff need not prove causation with absolute
    scientific rigor to defeat a motion for summary judgment. The ‘fairly traceable’
    requirement . . . is not equivalent to a requirement of tort causation.”).
    17
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    Defendants’ attack on UPHE’s standing has a factual component and a legal
    component. Factually, they contend that their contribution to pollution in the
    Wasatch Front is a negligible fraction of the total pollution that comes from a myriad
    of sources. They assert: “The undisputed evidence at trial established the total
    combined miles driven within the State of Utah for all B&W trucks is less than 4,285
    miles. The maximum total excess emissions as a result of all B&W violations over
    five years is less than .02 tons of NOx and .0004 tons of PM, compared to the
    millions of tons of the same pollutants from other sources.” Aplt. Br. at 8–9 (citation
    omitted); see also UPHE I, 374 F. Supp. 3d at 1134 (“[M]any sources contribut[e] to
    air pollution in the Wasatch Front, including on-road mobile sources, wildfires, and
    oil refineries.”). Legally, they claim that the fairly-traceable test for causation in the
    standing context has been replaced by the meaningful-contribution test in the context
    of air pollution. We begin with the legal component of Defendants’ argument.
    The term meaningful contribution in the standing context first appeared in the
    Supreme Court decision in Massachusetts v. EPA, 
    549 U.S. 497
     (2007). The Court
    determined that the Commonwealth of Massachusetts had standing to challenge the
    EPA’s rejection of a petition for rulemaking to regulate greenhouse-gas emissions
    from new motor vehicles. See 
    id.
     at 510–11, 517, 526. In the course of the discussion
    the Court observed that “[j]udged by any standard, U.S. motor-vehicle emissions
    make a meaningful contribution to greenhouse gas concentrations and hence,
    according to petitioners, to global warming.” 
    Id. at 525
     (emphasis added). But it is
    far from clear how, if at all, the “meaningful contribution” language should affect our
    18
    Appellate Case: 20-4043    Document: 010110624784        Date Filed: 12/28/2021      Page: 19
    analysis here because Massachusetts arose in a context much different from that of
    the present litigation. The alleged injury to Massachusetts was the loss of coastal
    property. See 
    id.
     at 522–23. The loss would be caused by rising sea levels (resulting
    from the melting of ice and snow on land) that in turn resulted from a warming
    climate. See 
    id. at 521
    . The climate change would result from an increased
    concentration of carbon dioxide in the world’s atmosphere. See 
    id. at 523
    . The United
    States transportation sector “account[ed] for more than 6% of worldwide carbon
    dioxide emissions.” 
    Id. at 524
    . The regulation sought by Massachusetts would apply
    only to new vehicles, and the Court did not dispute that “predicted increases in
    greenhouse gas emissions from developing nations, particularly China and India, are
    likely to offset any marginal domestic decrease.” 
    Id.
     at 523–24. But in light of the
    significant percentage of worldwide carbon dioxide emissions arising from this
    country’s transportation sector (a “meaningful contribution to greenhouse gas
    concentrations”), the Court said that “reducing domestic automobile emissions is
    hardly a tentative step.” 
    Id.
     at 524–25 (emphasis added). It appears to us that the
    Court’s use of the term meaningful contribution was to emphasize that despite the
    length of the causal chain from regulation of new motor vehicles to the loss of coastal
    property, the causal connection was a substantial one, not mere speculation. We
    doubt that the Court was instituting a general meaningful-contribution requirement
    that would apply even when the causal link is merely between the emission of
    noxious gases and harm to those who breathe the air into which the gases are emitted.
    19
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    In addition, to adopt Defendants’ requirement that standing be granted only for
    claims against the largest polluters would amount to major surgery on the CAA’s
    citizen-suit provision. The purpose of citizen-suit provisions is to increase
    enforcement of public law when the government lacks the resources or will to handle
    the entire task. Without such provisions only the worst offenders are likely to fear
    sanctions. Uncommon would be the case in which mobile sources of air pollution,
    particularly a few motor vehicles, would be the target. This is an appropriate
    circumstance in which to heed the admonition that “[c]ourts must afford due respect
    to Congress’s decision to impose a statutory prohibition or obligation on a defendant,
    and to grant a plaintiff a cause of action to sue over the defendant’s violation of that
    statutory prohibition or obligation.” TransUnion LLC v. Ramirez, 
    141 S. Ct. 2190
    ,
    2204 (2021); cf. 
    id.
     at 2204–05 (“Congress may elevate to the status of legally
    cognizable injuries concrete, de facto injuries that were previously inadequate in
    law.”).10
    10
    This admonition has particular force when the plaintiff’s claim is similar to a
    common-law cause of action but does not satisfy the requirements for that cause of
    action because of considerations that do not apply to the statutory claim. See
    TransUnion, 141 S. Ct. at 2204 (observing that “history and tradition offer a
    meaningful guide to the types of cases that Article III empowers federal courts to
    consider” and stating that “with respect to the concrete-harm requirement in
    particular, . . . courts should assess whether the alleged injury to the plaintiff has a
    ‘close relationship’ to a harm ‘traditionally’ recognized as providing a basis for a
    lawsuit in American courts,” though “an exact duplicate” is not required (internal
    quotation marks omitted)). For example, when, as here, there are multiple sufficient
    sets of causes of an injury, the injured person has a claim against any negligent actor
    responsible for one of the causes unless that actor’s “negligent conduct constitutes
    only a trivial contribution to a causal set.” Restatement (Third) of Torts: Phys. &
    Emot. Harm § 36 (2010) (emphasis added); see June v. Union Carbide Corp., 577
    20
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    Our view finds support, perhaps even a precedential mandate, in a decision of
    this court handed down after the district court entered judgment. In Sierra Club v.
    EPA, 
    964 F.3d 882
    , 887–88 (10th Cir. 2020), the plaintiff sued the EPA to compel it
    to object to a CAA permit issued by Utah for an industrial plant referred to as the
    “Hunter Plant.” For standing, the Sierra Club “allege[d] that its members
    experience[d] air pollution because they live and work near the Hunter Plant” and
    suffered from “health risks and diminished visibility of nearby national parks and
    wilderness areas.” 
    Id. at 888
    . In support of the proposition that the Hunter Plant
    contributed to the pollution, the panel noted that the EPA had stated that air
    emissions from the plant “cause or contribute to visibility impairment in nearby
    national parks.” 
    Id.
     (internal quotation marks omitted). The plant owner argued that
    the Sierra Club could not establish causation because, among other reasons, “other
    F.3d 1234, 1239–44 (10th Cir. 2009). But that common-law limitation on the cause
    of action “has developed as a matter of fairness, equitable-loss distribution, and
    administrative cost.” Restatement (Third) of Torts § 36 cmt. b. Those (non-causal)
    considerations do not apply to the claims against Defendants since they have violated
    federal law (so that sanctions would hardly be unfair) and the only remedies sought
    are an injunction and civil penalties. See also Restatement (Second) of Torts § 840E
    cmt. b (1979) (“Situations may arise in which each of several persons contributes to a
    nuisance to a relatively slight extent, so that his contribution taken by itself would
    not be an unreasonable one and so would not subject him to liability; but the
    aggregate nuisance resulting from the contributions of all is a substantial
    interference, which becomes an unreasonable one. In these cases the liability of each
    contributor may depend upon whether he is aware of what the others are doing, so
    that his own conduct becomes negligent or otherwise unreasonable in the light of that
    knowledge. It may, for example, be unreasonable to pollute a stream to only a slight
    extent, harmless in itself, when the defendant knows that pollution by others is
    approaching or has reached the point where it causes or threatens serious interference
    with the rights of those who use the water.”).
    21
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    sources contributed to the pollution.” Id. at 889. We rejected the argument, declaring
    that “the existence of other contributors wouldn’t affect the Sierra Club’s standing.”
    Id. Following a Fifth Circuit opinion under the Clean Water Act, Sierra Club, Lone
    Star Chapter v. Cedar Point Oil Co., 
    73 F.3d 546
    , 558 (5th Cir. 1996), we said that
    “[e]ven with other contributors, standing would still turn on whether the Sierra Club
    had adequately attributed the pollution at least partly to the [EPA’s failure to object
    to the permit for the Hunter Plant].” Sierra Club, 964 F.3d at 889.
    Our view also appears to be in keeping with the view of courts in other circuits
    that, except in one circumstance,11 a person injured by air or water pollution has
    11
    Plaintiffs claiming injury from climate change caused by greenhouse gases
    have been denied standing to sue nearby emitters of greenhouse gases because the
    causal link is too attenuated: a nearby source has no greater impact on the plaintiff
    than a source on the other side of the earth. See, e.g., Wash. Env’t Council v. Bellon,
    
    732 F.3d 1131
    , 1141–43 (9th Cir. 2013) (“the chain of causality between”
    Defendants’ failure to limit greenhouse-gas emissions from Washington’s five oil
    refineries and the plaintiffs’ climate-change related injuries, including reduced
    recreational opportunities in the state’s mountains and property damage caused by
    increased flooding along the state’s rivers, was “too attenuated” to support standing);
    Ctr. for Biological Diversity v. U.S. Dep’t of Interior, 
    563 F.3d 466
    , 476, 478–79
    (D.C. Cir. 2009) (rejecting plaintiffs’ substantive theory of standing, which was
    based on the reasoning that the Department of the Interior’s “approval of [a program
    allowing for leasing of offshore lands for oil and gas drilling would] bring[] about
    climate change, which in turn [would] adversely affect[] the species and ecosystems
    of those . . . areas, thereby threatening [the plaintiffs’] enjoyment of [those] areas and
    their inhabitants”); WildEarth Guardians v. Salazar, 
    880 F. Supp. 2d 77
    , 83–86
    (D.D.C. 2012) (although plaintiffs claimed “recreational, aesthetic, and economic
    interests in the areas adjacent to” tracts of land on which Bureau of Land
    Management (BLM) had authorized leasing for coal mines, plaintiffs’ injuries, to the
    extent based on impacts from climate change, were not fairly traceable to BLM
    action); Amigos Bravos v. U.S. Bureau of Land Mgmt., 
    816 F. Supp. 2d 1118
    , 1135–
    36 (D.N.M. 2011) (plaintiffs’ alleged climate-change injuries were not fairly
    traceable to BLM’s approval of in-state oil-and-gas leases; “[w]ith [greenhouse
    gases], every inhabitant of our planet is within the ‘zone of discharge’; consequently,
    22
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021     Page: 23
    standing under the CAA or the Clean Water Act to seek a remedy from a defendant
    that emits the injurious pollutant in the geographic vicinity of where the person is
    injured. See Env’t Tex. Citizen Lobby, Inc. v. ExxonMobil Corp., 
    968 F.3d 357
    , 370
    (5th Cir. 2020) (no need for specific evidence of air pollution’s “geographic range
    when plaintiffs sit squarely in the discharge zone of a polluting facility such that their
    proximity speaks for itself” (brackets and internal quotation marks omitted)); Black
    Warrior Riverkeeper, Inc. v. U.S. Army Corps of Eng’rs, 
    781 F.3d 1271
    , 1276–77,
    1280 (11th Cir. 2015) (members’ recreational and aesthetic injuries from visible
    pollution were fairly traceable to coal-mining operations located upstream within the
    same watershed); Sierra Club v. TVA, 
    430 F.3d 1337
    , 1339–40, 1345 (11th Cir. 2005)
    (recreational and aesthetic harms suffered by members in “the natural areas around
    the [defendant’s coal-fired electric power] plant” were fairly traceable to plant’s
    violations of opacity standard included in Alabama SIP); Friends of the Earth, Inc. v.
    Gaston Copper Recycling Corp., 
    204 F.3d 149
    , 158–61 (4th Cir. 2000) (injury to
    member’s waterfront property from water pollution was fairly traceable to smelting
    facility four miles upstream when evidence indicated that discharge from the facility
    could “impact the receiving waterway for a good distance downstream—well past
    the issue of geographical proximity to the source of pollution may not be a proper
    measure of the likelihood of one’s injury having been caused by a particular
    polluter.”). The reasoning in these cases is consistent with the Supreme Court’s
    reference to “meaningful contribution” in Massachusetts, 
    549 U.S. at 525
    , as
    discussed above. But this appeal does not involve climate-change-related harms from
    greenhouse gases, so the reasoning in these cases is inapplicable.
    23
    Appellate Case: 20-4043     Document: 010110624784         Date Filed: 12/28/2021       Page: 24
    [the member’s] property”); Cedar Point, 
    73 F.3d at
    558 & n.24 (member’s injury was
    fairly traceable to oil-and-gas well’s discharge of “produced water” into particular
    area of Galveston Bay where member canoed and participated in other outdoor
    activities); Powell Duffryn, 
    913 F.2d at
    72–73 (plaintiff affidavits said that they
    suffered aesthetic injury from oily or greasy sheen on water which was fairly
    traceable to defendant’s discharge of oil and grease two miles upstream); WildEarth
    Guardians, 880 F. Supp. 2d at 83, 86–87 (plaintiffs had standing to challenge BLM’s
    approval of mining operations that would “lead to haze, smog, and dust clouds in
    areas immediately adjacent to [the land to be mined],” where plaintiffs “ha[d]
    recreational, aesthetic, and economic interests”); Concerned Citizens Around Murphy
    v. Murphy Oil USA, Inc., 
    686 F. Supp. 2d 663
    , 669, 672–73 (E.D. La. 2010) (CAA
    plaintiffs’ recreational and aesthetic injuries were fairly traceable to emissions from
    oil refinery located blocks away). By showing a close geographical connection, the
    plaintiff has “adequately attributed the pollution” to the source, Sierra Club, 964 F.3d
    at 889, and the injury is “fairly traceable” to the polluter, Lujan v. Defenders of
    Wildlife, 
    504 U.S. 555
    , 560 (1992) (brackets, ellipsis, and internal quotation marks
    omitted).
    Defendants suggest that causation is lacking because this is a case “‘[w]here
    the causal chain involves numerous third parties whose independent decisions
    collectively have a significant effect on plaintiffs’ injuries.’” Aplt. Br. at 23 (quoting
    Wash. Env’t Council v. Bellon, 
    732 F.3d 1131
    , 1142 (9th Cir. 2013)). But there is no
    such chain of causation here. The proposition relied on by Defendants can be traced
    24
    Appellate Case: 20-4043    Document: 010110624784         Date Filed: 12/28/2021    Page: 25
    to Supreme Court decisions denying standing to those challenging the grant of
    government tax exemptions on the ground that entities receiving the exemptions
    would halt their discriminatory practices if denied the exemptions. See, e.g., Allen v.
    Wright, 
    468 U.S. 737
    , 756–61 (1984). The discrimination was not “fairly traceable”
    to the grant of a tax exemption because the response to the denial of an exemption
    was too speculative. 
    Id. at 758
    . In this case, there is no speculation that Defendants’
    unlawful conduct would cause the emission into the atmosphere of harmful
    pollutants. The only relevant decisions to be made by independent third parties would
    be to drive the vehicles improperly modified by Defendants, and the decisions to do
    so were virtually inevitable.
    We therefore hold that UPHE has standing to challenge Defendants’ violations
    that contributed to the unhealthy air in the Wasatch Front. The EPA has determined
    that the Salt Lake City area, which includes where Defendants conduct business, is a
    nonattainment area for 24-hour levels of fine particulate matter (PM2.5).12 See 
    40 C.F.R. § 81.345
    . Those who reside in that area can fairly trace injuries they suffer
    from the polluted air to any contributor of prohibited emissions in the area.
    12
    Fine particulate matter is one of the two main pollutants (the other being
    nitrogen oxides) that UPHE alleges contribute to its members’ injuries. See UPHE I,
    374 F. Supp. 3d at 1132 (“Some members are deterred from engaging in outdoor
    recreational activities due [to] their concerns about fine particulate matter
    pollution.”); see also UPHE II, 
    2020 WL 4282148
    , at *4 (finding that “[a] diesel
    truck with all of its federally required emission control devices removed typically
    emits . . . particulate matter at a rate of twenty-one times its original EPA certified
    emission rate”).
    25
    Appellate Case: 20-4043     Document: 010110624784         Date Filed: 12/28/2021     Page: 26
    But what about CAA violations that did not cause the emission of pollutants in
    the Salt Lake City nonattainment area? The appellate courts have recognized that a
    plaintiff may lack standing to challenge actions by a too-distant polluter. In Friends
    of the Earth, Inc. v. Crown Center Petroleum Corp., 
    95 F.3d 358
     (5th Cir. 1996), for
    instance, the Fifth Circuit held that a lake “located three tributaries and 18 miles
    downstream from [the defendant’s] refinery” was too far away for one to infer a
    causal link between the defendant’s discharge and the alleged injuries to the
    plaintiff’s members’ use of the lake. 
    Id. at 361
    . Deprived of this inference and having
    failed to offer any “competent evidence that [the defendant’s] discharges ha[d] made
    their way to . . . or would otherwise affect” the lake, the court concluded that the
    plaintiff could not satisfy Article III’s causation requirement. Id.; see also Ctr. for
    Biological Diversity v. EPA, 
    937 F.3d 533
    , 538–39 (5th Cir. 2019) (plaintiffs failed
    to show sufficient “geographic proximity between [their] interests and the
    discharges”; “[a] geographic area as big as the ‘Western and Central portions of the
    Gulf [of Mexico]’ cannot support Article III standing.”).
    The Seventh Circuit reached a similar conclusion in Texas Independent
    Producers & Royalty Owners Ass’n v. EPA (TIPROA), 
    410 F.3d 964
     (7th Cir. 2005).
    In that case an environmental group sought to challenge an EPA General Permit
    prescribing limits on storm-water discharge from construction sites. See 
    id.
     at 969–
    70. Attempting to establish standing, the group argued, among other things, that its
    members used various bodies of polluted water affected by the discharges allowed
    under the permit. See 
    id. at 972
    . It pointed to notices filed by construction companies
    26
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021      Page: 27
    indicating their intent to “discharge under the General Permit in the bodies of water
    used by [three of the group’s] affiants.” 
    Id. at 973
    . The court rejected this argument,
    pointing out that “the water bodies at issue span, in some cases, hundreds of miles,”
    and concluding that, absent evidence of injury to “the portion of the river[s] used by
    the [members],” the group had failed to establish fairly-traceable causation. 
    Id.
    Likewise in Delaware Department of Natural Resources & Environmental
    Control v. EPA, 
    785 F.3d 1
     (D.C. Cir. 2015), the D.C. Circuit held that Delaware
    lacked standing to challenge a portion of an EPA rule exempting generators “located
    in remote areas” of the country from national emission standards, as “Delaware [had]
    offer[ed] no evidence that backup generators in the remote-area subcategory are
    located near enough to Delaware to pose a threat to the state’s air quality.” 
    Id. at 8, 10
    ; see 
    id. at 10
     (the “only examples” Delaware provided “of these remote locations
    are references to the Powder River Basin of Wyoming and fields of generators visibly
    evident across Wyoming and Colorado, and throughout Nebraska and California”
    (ellipsis and internal quotation marks omitted)).
    The need for geographic limitations as part of the traceability inquiry was
    persuasively discussed in the Fifth Circuit’s Cedar Point decision, which limited the
    reach of the Third Circuit’s expression in Powell Duffryn that the plaintiffs in that
    case had standing because the defendant had discharged an excessive amount of
    pollutant into a waterway in which the plaintiffs had an interest that could be
    adversely affected by the pollutant, see Powell Duffryn, 
    913 F.2d at
    72:
    27
    Appellate Case: 20-4043    Document: 010110624784        Date Filed: 12/28/2021      Page: 28
    Douglas was the only affiant who expressed an interest in that part of
    Galveston Bay where Cedar Point’s discharge is located. It is true that a
    strict application of the Powell Duffryn test does not demand that sort of
    specificity, because the plaintiff need only show an interest in the
    “waterway” into which the defendant is discharging a pollutant;
    nevertheless, such a literal reading of Powell Duffryn may produce
    results incongruous with our usual understanding of the Article III
    standing requirements. For example, some “waterways” covered by the
    CWA may be so large that plaintiffs should rightfully demonstrate a
    more specific geographic or other causative nexus in order to satisfy the
    “fairly traceable” element of standing. Therefore, while we find the
    Powell Duffryn test useful for analyzing whether Douglas’s affidavit
    meets the “fairly traceable” requirement, we recognize that it may not
    be an appropriate standard in other CWA cases.
    Cedar Point, 
    73 F.3d at
    558 n.24 (emphasis added) (citations omitted); see also
    Gaston Copper, 
    204 F.3d at 161
     (“Rather than pinpointing the origins of particular
    molecules, a plaintiff must merely show that a defendant discharges a pollutant that
    causes or contributes to the kinds of injuries alleged in the specific geographic area
    of concern.” (emphasis added) (internal quotation marks omitted)); Black Warrior
    Riverkeeper, 781 F.3d at 1280 (adopting the view of Gaston Copper); ExxonMobil,
    968 F.3d at 370 (“Plaintiffs must demonstrate the existence of a specific geographic
    or other causative nexus such that the [CAA] violation could have affected their
    members.” (internal quotation marks omitted)); cf. Lujan, 
    504 U.S. at 558
    , 567 n.3
    (petitioners had failed to demonstrate that they would suffer an injury in fact as a
    result of a Secretary of the Interior interpretation of the Endangered Species Act
    limiting its application to the “United States or the high seas”; “[t]he dissent may be
    correct that the geographic remoteness of those members (here in the United States)
    from Sri Lanka and Aswan does not ‘necessarily’ prevent [a finding of injury]—but it
    28
    Appellate Case: 20-4043     Document: 010110624784         Date Filed: 12/28/2021      Page: 29
    assuredly does so when no further facts have been brought forward (and respondents
    have produced none) showing that the impact upon animals in those distant places
    will in some fashion be reflected here”). Of course, specific scientific data may
    establish a causal connection even to some distant sources. See ExxonMobil, 968 F.3d
    at 370; Crown Ctr., 
    95 F.3d at 361
    ; cf. Lujan, 
    504 U.S. at
    567 n.3.
    Defendants contend that the district court erred by finding that UPHE had
    standing to pursue “violations that did not result in pollutants being discharged into
    the Wasatch Front.” Aplt. Br. at 27. (Although this passage speaks of discharge into
    the Wasatch Front, the line drawn by Defendants in much of its argument is between
    vehicles driven in Utah and those that were not. We take it that Defendants are in
    essence conceding that we can assume that a relevant vehicle driven in Utah was
    driven within the Wasatch Front.) Defendant’s contention is not barred by our
    holding that UPHE has standing to bring a number of its claims. “[S]tanding is not
    dispensed in gross; rather, plaintiffs must demonstrate standing for each claim that
    they press and for each form of relief that they seek (for example, injunctive relief
    and damages).” TransUnion, 141 S. Ct. at 2208; see Colo. Outfitters Ass’n v.
    Hickenlooper, 
    823 F.3d 537
    , 551 (10th Cir. 2016) (“[A] plaintiff must demonstrate
    standing for each claim he or she seeks to press.” (original brackets and internal
    quotation marks omitted)). UPHE must demonstrate that each of Defendants’
    violations “cause[d] or contribute[d] to the kinds of injuries alleged,” Piney Run
    Pres. Ass’n v. Cnty. Comm’rs of Carroll Cnty., 
    268 F.3d 255
    , 264 (4th Cir. 2001)
    (internal quotation marks omitted), or, as the district court put it, “show [that]
    29
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    Defendants’ violations contribute[d] nitrous oxides (NOx) and particulate matter
    (PM) to air in the Wasatch Front,” UPHE I, 374 F. Supp. 3d at 1135; see
    ExxonMobil, 968 F.3d at 365–66 (“[O]ne injury does not entitle a litigant to right
    other wrongs that did not injure it. . . . [A CAA] plaintiff needs standing for each
    violation for which it seeks a penalty.”). We therefore examine Defendants’ causation
    objections to UPHE’s standing with respect to specific civil penalties.
    Defendants point to violations related to vehicles eventually sold out-of-state
    or to parts sold out-of-state or merely marketed and never sold. For vehicles
    eventually sold or transferred to customers out-of-state, Defendants argue that “there
    is simply no way to conclude that emissions from [these vehicles], which were only
    briefly operated in Utah, . . . has [sic] harmed the Wasatch Front airshed.” Aplt. Br.
    at 27–28.
    We agree with the underlying principle stated by Defendants. Although
    molecules of a nitrogen oxide produced in Oregon may certainly drift over to Utah,
    greater geographical proximity is required to satisfy by itself the “fairly traceable”
    test. But in one respect, we reject their argument. If the vehicle was driven, however
    little, in the Salt Lake City area, UPHE has established that its members’ injuries
    from excessive pollution can be fairly traced to the CAA violation; so standing can
    be predicated on pollution from that vehicle.
    But if the vehicle was never driven in Utah, or the defeat part was sold to
    someone out-of-state, UPHE has not established standing. It has presented no
    evidence of actual or imminent injury to its members caused by the emission of
    30
    Appellate Case: 20-4043    Document: 010110624784        Date Filed: 12/28/2021     Page: 31
    pollutants outside of Utah. Such evidence might be available if pollutants in, say,
    southern Wyoming were contributing to the failure of the Salt Lake City area to meet
    EPA air-quality standards and the EPA designated that part of Wyoming as included
    in the Salt Lake City nonattainment area. See 
    42 U.S.C. § 7407
    (d)(1)(A)(i) (defining
    nonattainment area as “any area that does not meet (or that contributes to ambient
    air quality in a nearby area that does not meet) the national primary or secondary air
    quality standard for the pollutant” (emphasis added)); Air Quality Designations for
    the 2006 24-Hour Fine Particle (PM2.5), 
    74 Fed. Reg. 58688
    , 58696 (Nov. 13, 2009)
    (identifying 24-hour PM2.5 nonattainment areas that included parts of more than one
    State, for instance, “Logan, UT-ID,” “New York-N. New Jersey-Long Island, NY-
    NJ-CT,” and “Philadelphia-Wilmington, PA-NJ-DE”). When the EPA has determined
    that the plaintiff and the pollution emission are in the same nonattainment area, the
    plaintiff could rely on that determination as adequate evidence (subject, of course, to
    rebuttal by contrary evidence) that the emission is a cause of the harm to the plaintiff
    from air pollution and therefore the plaintiff would have standing to seek sanctions
    against the out-of-state polluter. Cf. Sierra Club, 964 F.3d at 889–90 (noting, in
    support of its determination that the plaintiff had standing, that the EPA had stated
    that air emissions from the polluter caused or contributed to impairment of visibility
    at parks visited by plaintiff’s members).
    But that is not the circumstance here. Because the nonattainment area
    including the Wasatch Front does not extend into any other State, we do not presume
    that pollutants emitted in another State contribute to injuries suffered by UPHE’s
    31
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021    Page: 32
    members. Nor has UPHE produced any other type of scientific evidence that
    pollution outside of Utah contributes to unhealthful air in the Wasatch Front. We
    conclude that UPHE does not have standing to bring its claims based on vehicles
    never driven in Utah or defeat devices sold to persons outside Utah.
    We also conclude, though for slightly different reasons, that UPHE lacks
    standing to pursue claims for civil penalties related to defeat parts marketed but not
    actually sold. UPHE cannot claim to have been actually injured by Defendants’
    marketing (which plainly did not itself result in the emission of excess nitrogen
    oxides or particulate matter into the Wasatch Front) and any threatened harm—such
    as “the threat that consumers in Utah may be influenced by Defendants’
    advertisements to buy and install the parts, resulting in an increase in emissions,”
    Aplee. Br. at 22—is too “conjectural or hypothetical” to satisfy the injury-in-fact
    requirement, particularly since Defendants apparently ceased marketing the defeat
    parts after receiving UPHE’s notice of its intent to sue. See UPHE II, 
    2020 WL 4282148
    , at *9. It is not enough that there was a statutory violation. The claims based
    on unsold defeat parts are similar to the claims brought by plaintiffs against a credit
    reporting agency that allegedly failed to use reasonable procedures to ensure the
    accuracy of their credit files but that never disclosed the allegedly false information
    to third parties. See TransUnion, 141 S. Ct. at 2200. The Supreme Court held that
    those plaintiffs lacked standing to sue for actual or statutory damages. See id. at
    2209–13. Because the only claims at issue on this appeal are those for civil penalties,
    32
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    we need not address whether UPHE had standing to sue for injunctive relief relating
    to unsold defeat devices.
    To enable the district court to determine precisely which claims can be pursued
    by UPHE, we must remand for further proceedings.
    B.     Statutory Standing
    Defendants argue that UPHE lacks statutory standing under the CAA’s citizen-
    suit provision to pursue its claims under either the CAA or Utah’s SIP because they
    seek enforcement of “general statutory prohibitions . . . not defined under the CAA as
    standards or limitations.” Aplt. Br. at 31. Because statutory standing is not
    jurisdictional and Defendants failed to raise this issue below, we review only for
    plain error. See Niemi v. Lasshofer, 
    728 F.3d 1252
    , 1262 (10th Cir. 2013) (issue of
    statutory standing, if forfeited, would be reviewed for plain error). “Plain error is
    (i) error, (ii) that is plain, which (iii) affects substantial rights, and which
    (iv) seriously affects the fairness, integrity, or public reputation of judicial
    proceedings.” 
    Id.
     (internal quotation marks omitted). As we proceed to explain, the
    district court likely did not err, and certainly did not plainly err, in ruling Defendants’
    various tampering and defeat-device violations actionable under the CAA and Utah’s
    SIP. Accordingly, we need not continue to the third and fourth elements of plain
    error.
    The CAA’s citizen-suit provision, 
    42 U.S.C. § 7604
    , provides in relevant part:
    [A]ny person may commence a civil action on his own behalf—
    33
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    (1) against any person (including (i) the United States, and (ii) any other
    governmental instrumentality or agency to the extent permitted by the
    Eleventh Amendment to the Constitution) who is alleged to have
    violated (if there is evidence that the alleged violation has been
    repeated) or to be in violation of (A) an emission standard or limitation
    under this chapter or (B) an order issued by the [EPA] Administrator or
    a State with respect to such a standard or limitation[.]
    
    42 U.S.C. § 7604
    (a). This provision permits a plaintiff to sue only when there has
    been a violation of “an emission standard or limitation under this chapter [that is, the
    CAA]” or an order “with respect to such a standard or limitation.” 
    Id.
     § 7604(a)(1).
    Defendants contend that UPHE’s underlying claims, brought under 
    42 U.S.C. § 7522
    (a) and Utah SIP Regulation R307-201-2, do not implicate any “emission
    standard or limitation” because both § 7522(a) and R-307-201-2 merely prohibit
    various acts related to emission-control and defeat devices, rather than imposing
    numerical limits on emissions. Defendants suggest that these prohibitions should not
    be regarded as emission standards or limitations but as “enforcement mechanisms”
    enforceable only by the government and not by private citizens. Aplt. Reply Br. at
    13.
    Definitions within the CAA itself, however, refute this argument. The CAA’s
    citizen-suit provision defines emission standard or limitation under this chapter to
    include, among other things, an “emission limitation, standard of performance or
    emission standard,” and “any other standard [or] limitation . . . established . . . under
    any applicable State implementation plan approved by the [EPA] Administrator.” 
    42 U.S.C. § 7604
    (f). Section 7602 in turn defines emission limitation and emission
    standard to mean “a requirement established by the State or the [EPA] Administrator
    34
    Appellate Case: 20-4043     Document: 010110624784       Date Filed: 12/28/2021     Page: 35
    which limits the quantity, rate, or concentration of emissions of air pollutants on a
    continuous basis, including any requirement relating to the operation or maintenance
    of a source to assure continuous emission reduction, and any design, equipment,
    work practice or operational standard promulgated under this chapter [the CAA].”
    
    Id.
     § 7602(k) (emphasis added). And § 7602 defines standard of performance as “a
    requirement of continuous emission reduction, including any requirement relating to
    the operation or maintenance of a source to assure continuous emission reduction.”
    Id. § 7602(l). Thus, § 7604 authorizes citizen suits against violations of any
    “requirement established by the State or the [EPA] Administrator . . . relating to the
    operation or maintenance of a source to assure continuous emission reduction, and
    any design, equipment, work practice or operational standard promulgated under [the
    CAA],” and of any “requirement relating to the operation or maintenance of a source
    to assure continuous emission reduction.”
    UPHE argues that “[a]n anti-tampering requirement prohibiting the removal or
    defeat of an emission control device, such as a catalytic converter, that is designed to
    reduce emissions on a continuous basis, is plainly a requirement that ensures the
    reduction of emissions on a continuous basis,” and therefore satisfies the statutory
    definition of an emission standard or limitation. Aplee. Br. at 28–29. This argument
    has considerable force.
    The Supreme Court has adopted essentially the same view, albeit when
    interpreting a provision of the CAA to which the above statutory definitions did not
    apply. In Engine Manufacturers Ass’n v. South Coast Air Quality Management
    35
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    District, 
    541 U.S. 246
     (2004), the Court considered whether a provision of the CAA
    preempting state or local adoption or enforcement of “‘any standard relating to the
    control of emissions from new motor vehicles or new motion vehicle engines’”
    extended to local rules barring fleet operators from purchasing or leasing vehicles not
    in compliance with certain emission requirements. 
    Id.
     at 248–49, 252 (emphasis
    added) (quoting 
    42 U.S.C. § 7543
    (a)). The district and circuit courts had found no
    preemption, interpreting the statutory language to “include only regulations that
    compel manufacturers to meet specified emission limits.” 
    Id. at 252
    . The Court
    reversed, adopting a more expansive view:
    “[S]tandard” is defined as that which “is established by authority,
    custom, or general consent, as a model or example; criterion; test.”
    Webster’s Second New International Dictionary 2455 (1945). The
    criteria referred to in [
    42 U.S.C. § 7543
    (a)] relate to the emission
    characteristics of a vehicle or engine. To meet them the vehicle or
    engine must not emit more than a certain amount of a given pollutant,
    must be equipped with a certain type of pollution-control device, or
    must have some other design feature related to the control of emissions.
    This interpretation is consistent with the use of “standard” throughout
    Title II of the CAA (which governs emissions from moving sources) to
    denote requirements such as numerical emission levels with which
    vehicles or engines must comply, e.g., 
    42 U.S.C. § 7521
    (a)(3)(B)(ii), or
    emission-control technology with which they must be equipped, e.g.,
    § 7521(a)(6).
    Id. at 252–53 (emphasis added); see Counties, 959 F.3d at 1218 (applying South
    Coast to hold that the county anti-tampering regulations at issue were “‘emissions
    standards’ for purposes of [§ 7543(a)]”). The language interpreted by the Supreme
    Court is not identical to the language at issue here; but if an anti-tampering
    requirement has been interpreted as a standard “relating to the control of emissions,”
    36
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    42 U.S.C. § 7543
    (a), one would think that it would also be a “requirement relating to
    the operation or maintenance of a source to assure continuous emission reduction,”
    
    id.
     § 7602(l).
    Defendants rely on a Ninth Circuit decision that analyzed the term “emission
    standard or limitation” in the context of the CAA’s citizen-suit provision and
    reasoned that it did not extend to “the generic statutory prohibitions in § 7522,” such
    as those at issue here. In re Volkswagen “Clean Diesel” Mktg., Sales Pracs., &
    Prods. Liab. Litig., 
    894 F.3d 1030
    , 1041 (9th Cir. 2018) [hereinafter Fleshman].
    Respectfully, we question the following analysis in Fleshman of the scope of the
    citizen-suit provision:
    For an example of an “emission standard,” consider 
    40 C.F.R. § 86.1811-04
    . That regulation establishes permissible emission levels of
    nitrogen oxide (NOx) for “light-duty vehicles” like the vehicles at issue
    in this case. See 
    id.
     § 81.1811-04(c) (“Exhaust emissions from Tier 2
    vehicles must not exceed the standards in Table S04-1 of this section at
    full useful life .”). Unlike the statutory prohibitions in § 7522, which
    were enacted by Congress, the regulation is “a requirement established
    by the Administrator which limits the quantity, rate, or concentration of
    emissions of air pollutants on a continuous basis.” § 7602(k).
    Id. at 1041–42 (ellipses omitted). This narrow reading appears to overlook that
    emission standard and standard of performance are both defined to encompass “any
    requirement relating to the operation or maintenance of a source to assure continuous
    emission reduction.” 
    42 U.S.C. § 7602
    (k), (l). By removing or defeating emission-
    control devices like oxidation catalysts or diesel particulate filters, a person is
    violating a specific requirement to maintain the diesel truck to assure continuous
    emission reductions.
    37
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    Fleshman also seems to suggest that the anti-tampering provision of the CAA
    was not a requisite standard because the § 7522 prohibitions were enacted by
    Congress and therefore were not “requirement[s] established by the State or the
    [EPA] Administrator,” id. § 7602(k), as would be necessary to come within the
    definition of emission standard. See 894 F.3d at 1041–42. But we note that standard
    of performance is defined so that it need not be a requirement established by the State
    or the EPA Administrator. See id. § 7602(l). In addition, UPHE, unlike the plaintiff
    in Fleshman, based its tampering and defeat-device claims not only on the statutory
    provision, id. § 7522(a)(3), but also on the EPA regulations, see 
    40 C.F.R. § 86.1854
    -
    12(a)(3)(i), (ii), imposing the same requirements.
    In any event, we need not definitively resolve the question because if indeed
    there was error, it was not plain. See Niemi, 728 F.3d at 1262. “An error is plain if it
    is clear or obvious under current, well-settled law.” United States v. Faulkner, 
    950 F.3d 670
    , 678 (10th Cir. 2019) (internal quotation marks omitted). Because the
    district court’s interpretation of the CAA’s citizen-suit provision was reasonable, and
    a contrary result was not dictated by well-settled law, we reject Defendants’ plain-
    error challenge to UPHE’s statutory standing.
    C.     Sweepstakes Giveaways
    Defendants argue that the district court improperly imposed penalties with
    respect to trucks awarded through sweepstakes. They state: “The District Court’s
    interpretation that giveaway sweepstakes trucks are a ‘sale’ is contrary to Utah law,
    and disregards the fact that a third to half of the sweepstakes entries are from free
    38
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021      Page: 39
    mail-in requests. The CAA requires a ‘sale’ of an emissions tampered vehicle to
    violate this section.” Aplt. Br. at 40.13 We reject the argument.
    The tampering provision, 
    42 U.S.C. § 7522
    (a)(3)(A), makes it unlawful:
    for any person to remove or render inoperative any device or element of
    design installed on or in a motor vehicle or motor vehicle engine in
    compliance with regulations under this subchapter prior to its sale and
    delivery to the ultimate purchaser, or for any person knowingly to
    remove or render inoperative any such device or element of design after
    such sale and delivery to the ultimate purchaser[.]
    For purposes of this provision, ultimate purchaser “means, with respect to any new
    motor vehicle or new motor vehicle engine, the first person who in good faith
    purchases such new motor vehicle or new engine for purposes other than resale.” 
    42 U.S.C. § 7550
    (5).
    The district court rejected Defendants’ argument on the ground that the
    sweepstakes awards were sales, reasoning that “DPG asked for and received valuable
    consideration in exchange for the conveyance of the trucks, in the form of direct
    monetary benefits (increased sales) and indirect benefits (promotion of its brand).”
    UPHE I, 374 F. Supp. 3d at 1144–45 (footnote omitted); see id. at 1145 (“The fact
    that each particular winner contributed only a portion of the total consideration
    13
    The discussion of this issue in Defendants’ opening brief never quotes, or
    even identifies, statutory language on which it is basing this argument. But since the
    opening brief speaks of “an emissions tampered vehicle,” we conclude that
    Defendants are referring to 
    42 U.S.C. § 7522
    (a)(3)(A) and not the defeat-device
    language in § 7522(a)(3)(B). We note that earlier in the brief, Defendants
    distinguished between tampering violations and defeat-device violations. See Aplt.
    Br. at 33 (referring to “violations of the CAA’s tampering and defeat device
    provisions”); id. at 37 (arguing that “only the government can enforce the CAA’s
    tampering and defeat device provisions”).
    39
    Appellate Case: 20-4043      Document: 010110624784        Date Filed: 12/28/2021      Page: 40
    received by DPG does not preclude the existence of a sale.”). We review matters of
    statutory interpretation de novo. See Pound v. Airosol Co., Inc., 
    498 F.3d 1089
    , 1094
    (10th Cir. 2007).
    We have reservations about the district court’s analysis. One may question
    whether a lottery winner who paid nothing to obtain a lottery ticket (either by paying
    cash or making a purchase of goods) has provided any consideration. See Albertson’s,
    Inc. v. Hansen, 
    600 P.2d 982
    , 985–86 (Utah 1979). But we may reach the same result
    with a somewhat different analysis. See Orner v. Shalala, 
    30 F.3d 1307
    , 1310 (10th
    Cir. 1994) (“[W]e may affirm challenged decisions of the district court on alternative
    grounds, so long as the record is sufficient to permit conclusions of law.”).
    We affirm because, as we read the statute, there is no requirement that a
    violator sell the vehicle. The provision can be violated by someone who removes or
    renders inoperative a control device “prior to its sale and delivery to the ultimate
    purchaser” or by someone who knowingly removes or renders inoperative such a
    device after “sale and delivery to the ultimate purchaser.” 
    42 U.S.C. § 7522
    (a)(3)(A).
    The only relevance of the sale to the ultimate purchaser is that if the tampering
    occurs after such a sale, the tampering must be performed “knowingly.” But since
    there is no question that Defendants’ actions were done knowingly, they are liable
    regardless of when the sale to the ultimate purchaser has taken place or will take
    place.
    40
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    In short, we reject Defendants’ argument that vehicles awarded as part of the
    sweepstakes should have been excluded from the district court’s tabulation of
    violations.
    D.    Sale of “As-Is” Vehicles
    Under 
    42 U.S.C. § 7522
    (a)(3)(B) it is unlawful:
    for any person to manufacture or sell, or offer to sell, or install, any part
    or component intended for use with, or as part of, any motor vehicle or
    motor vehicle engine, where a principal effect of the part or component
    is to bypass, defeat, or render inoperative any device or element of
    design installed on or in a motor vehicle or motor vehicle engine in
    compliance with regulations under this subchapter, and where the
    person knows or should know that such part or component is being
    offered for sale or installed for such use or put to such use[.]
    Defendants argue that the district court erred by including “pass-through sales of ‘as-
    is’ trucks” in its tabulation of their CAA violations. Aplt. Br. at 43. They contend
    that the provision “cannot be read as prohibiting the re-sale of a used vehicle
    containing a defeat part that was installed by the previous owner.” 
    Id. at 44
    .
    Defendants point to other state and federal laws that exempt the sale of “as-is”
    vehicles, see, e.g., 
    Utah Code Ann. § 13-20-6
    (2) (limiting motor-vehicle-dealer
    liability to written express warranties made apart from manufacturer warranties); 
    16 C.F.R. § 455.2
    (b)(1) (Federal Trade Commission regulation recognizing sales of
    “vehicle[s] without any implied warranty, i.e., ‘as is,’”), and suggest that extending
    § 7522 to as-is sales would conflict with these other provisions.
    Defendants’ argument is a nonstarter. The statute certainly does not explicitly
    provide an exception for as-is sales. Nor does anything in the CAA provide a
    41
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    rationale for such an exception. On the contrary, the as-is nature of a sale concerns
    only the relationship between the seller and the buyer, whereas the CAA’s concern is
    the relationship between the user of the vehicle and the public that must suffer from
    that vehicle’s emissions. Defendants offer no rationale for excusing injury to the
    public just because the buyer is willing to accept the vehicle without warranties
    (presumably for a lower price).
    We recognize that the provision contains a scienter requirement—liability does
    not attach unless the manufacturer or seller “knows or should know that such part or
    component is being offered for sale or installed for such use or put to such use.” 
    42 U.S.C. § 7522
    (a)(3)(B) (emphasis added). There may be occasions in which an as-is
    seller could reasonably claim that it had no reason to know that the vehicle contained
    an illegal defeat device, and thus escape liability under § 7522(a)(3)(B). But an
    ignorance defense is independent of whether the vehicle is sold with any warranties;
    and in any event, Defendants have not claimed such ignorance. We affirm the district
    court’s refusal to recognize an as-is defense for Defendants.
    E.     Penalties
    Defendants raise several challenges to the penalties imposed by the district
    court. We review for clear error “a district court’s findings of fact in support of a
    CAA penalty.” Pound, 
    498 F.3d at 1094
    . “The district court’s weighing of those
    facts, and its penalty determination, are reviewed for abuse of discretion.” 
    Id.
     And
    “we review de novo the statutory interpretation behind the district court’s decision.”
    
    Id.
     (internal quotation marks omitted).
    42
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    Before addressing the specific challenges, however, we summarize the
    penalties imposed upon Defendants and the statutory bases for those penalties.
     The district court found that Defendants removed a total of 37 emission-
    control devices from eight trucks, giving rise to eight separate violations of
    the CAA’s anti-tampering provision, 
    42 U.S.C. § 7522
    (a)(3)(A), see UPHE
    II, 
    2020 WL 4282148
    , at *15–16; under § 7524(a) and 
    40 C.F.R. § 19.4
    , it
    assessed Defendants’ maximum liability as $30,000 ($3,750 per violation),
    see 
    id.,
     but ultimately imposed a penalty of only $25,000, see 
    id. at *24
    .
     It found that Defendants installed a total of 24 defeat parts in 14 trucks,
    giving rise to 24 separate violations of the CAA’s defeat-device provision,
    
    42 U.S.C. § 7522
    (a)(3)(B), see 
    id. at *16
    ; under § 7524(a) and 
    40 C.F.R. § 19.4
    , it assessed Defendants’ maximum liability as $90,985 (between
    $3,750 and $4,735 per violation, depending on the date), see 
    id.,
     but
    ultimately imposed a penalty of only $80,000, see 
    id. at *24
    .
     It found that Defendants advertised, sold, or offered to sell a total of 305
    defeat parts, giving rise to 305 additional separate violations of the CAA’s
    defeat-device provision, 
    42 U.S.C. § 7522
    (a)(3)(B), see 
    id. at *17
    ; under
    § 7524(a) and 
    40 C.F.R. § 19.4
    , it assessed Defendants’ maximum liability
    as $1,356,510 (between $3,750 and $4,735 per violation, depending on the
    date), see 
    id.,
     but ultimately imposed a penalty of only $407,218, see 
    id.
     at
    *24–25.
     It found that Defendants removed a total of 37 emission-control devices
    from eight trucks, giving rise to 37 separate violations of the Utah SIP’s
    emission-control provision, R307-201-2, see 
    id. at *19
    ; under § 7413(b)
    and 
    40 C.F.R. § 19.4
    , it assessed Defendants’ maximum liability as
    $1,387,500 ($37,500 per violation), see 
    id.,
     but ultimately imposed a
    penalty of only $138,700, see 
    id. at *25
    .
     It found that Defendants owned and operated multiple emissions-tampered
    vehicles between January 12, 2012, and July 20, 2017, giving rise to
    “numerous” additional violations of the Utah SIP’s emission-control
    provision, R307-201-2, 
    id. at *19
    ; under § 7413(b) and 
    40 C.F.R. § 19.4
    , it
    assessed Defendants’ maximum liability as $114,425,625 (between $37,500
    and $99,681 per violation per day, depending on the date), see 
    id.,
     but
    ultimately imposed a penalty of only $114,426, see 
    id. at *25
    .
    43
    Appellate Case: 20-4043    Document: 010110624784         Date Filed: 12/28/2021     Page: 44
    Broken out by defendant, the district court ordered B&W to pay $114,426;
    B&W and Sparks (jointly and severally) to pay $333,700; B&W, Sparks, and DPG
    (jointly and severally) to pay $90,000; and DPG, Sparks, and Stuart (jointly and
    severally) to pay $227,218. See UPHE II, 
    2020 WL 4282148
    , at *27.
    The district court arrived at these amounts via the “top down” approach to
    penalty analysis, first calculating Defendants’ maximum possible liability for
    violations of the CAA and Utah’s SIP and then “determin[ing] what degree of
    mitigation, if any is proper” according to the penalty-assessment criteria set forth in
    
    42 U.S.C. § 7413
    (e). UPHE II, 
    2020 WL 4282148
    , at *20. Section 7413(e) directs
    courts to consider, “in addition to such other factors as justice may require”:
    the size of the business, the economic impact of the penalty on the
    business, the violator’s full compliance history and good faith efforts to
    comply, the duration of the violation as established by any credible
    evidence (including evidence other than the applicable test method),
    payment by the violator of penalties previously assessed for the same
    violation, the economic benefit of noncompliance, and the seriousness
    of the violation.
    Weighing these factors separately for each category of violations, the court reduced
    the total penalty amount by more than 99%, from $117,290,620 to $765,344. See
    UPHE II, 
    2020 WL 4282148
    , at *23–25. By far the largest penalty reductions were
    made with respect to Defendants’ SIP violations (the owning-and-operating
    violations, in particular). Even so, the penalties imposed for violations of the Utah
    SIP’s anti-tampering provision, R307-210-2, ($138,700, see UPHE II, 
    2020 WL 4282148
    , at *25) far exceeded those imposed for violations of the anti-tampering
    provision contained in the CAA itself, 
    42 U.S.C. § 7522
    (a)(3)(A), ($25,000, see
    44
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021     Page: 45
    UPHE II, 
    2020 WL 4282148
    , at *24), despite the fact that both sets of violations
    arose from the same conduct.
    Defendants raise several challenges to the penalties imposed by the district
    court. Some apply to all the penalties. Others concern only the penalties for
    tampering imposed as violations of the Utah SIP. We begin with the challenges to the
    tampering penalties imposed as violations of the SIP.
    1. Penalties for tampering
    As repeatedly noted above, the CAA has a specific penalty provision for a
    violation of the anti-tampering provision, § 7522(a)(3)(A). Under § 7524(a) the
    penalty for persons “other than a manufacturer or dealer” (which includes all
    Defendants) is $2,500 (substantially increased for inflation) per vehicle and not per
    day or per component tampered with. The Utah SIP, in contrast, treats as a separate
    violation every component tampered with in a single vehicle. And the CAA penalty
    for violation of a SIP is $25,000 (again increased for inflation) per day of violation.
    See 
    42 U.S.C. § 7413
    (d)(1)(A).
    Defendants present several theories for challenging the tampering penalty
    imposed under the SIP, all of which derive from the observation that the CAA itself
    imposes its own penalty for tampering with emission devices. First, Defendants argue
    “that imposing civil penalties for violations under the CAA and Utah SIP for the
    same statutory prohibited activity constitutes a double penalty.” Aplt. Br. at 45. They
    rely on two opinions by this court stating that “‘double recovery is precluded when
    alternative theories seeking the same relief are pled and tried together.’” 
    Id.
     at 46
    45
    Appellate Case: 20-4043    Document: 010110624784       Date Filed: 12/28/2021      Page: 46
    (quoting Clappier v. Flynn, 
    605 F.2d 519
    , 530 (10th Cir. 1979), and Mason v. Okla.
    Tpk. Auth., 
    115 F.3d 1442
    , 1459 (10th Cir. 1997), overruled on other grounds by TW
    Telecom Holdings, Inc. v. Carolina Internet Ltd., 
    661 F.3d 495
    , 497 & n.2 (10th Cir.
    2011)). Clappier can be distinguished because it concerned only compensatory
    damages and was merely recognizing that a plaintiff should not be permitted to
    recover more in compensatory damages than the loss incurred. Civil penalties,
    however, are not imposed to compensate a party but to penalize the defendant.
    More in point is Mason, which considered the imposition of punitive damages,
    a remedy that is also not designed to compensate the victim but to penalize the
    defendant. We wrote:
    Although the rule against double recovery arises most often in the
    context of compensatory damages, it applies to punitive damages as
    well. For instance, courts have held frequently that a plaintiff may not
    recover both punitive damages under a state tort law claim and treble
    damages under a federal statutory claim, where the state and federal
    claims arise from the same operative facts and merely represent
    alternative theories of recovery.
    Mason, 
    115 F.3d at 1459
     (footnote omitted);14 see also New York v. United Parcel
    Serv., Inc., 
    942 F.3d 554
    , 600 (2d Cir. 2019) (“Penalties cascading on a defendant
    14
    Mason limited its double-recovery principle to circumstances in which both
    theories of recovery were “pled and tried together.” 
    115 F.3d at 1459
    . On that ground
    one could distinguish “double recoveries” from recoveries in multiple suits filed by
    distinct plaintiffs. See Counties, 959 F.3d at 1223–24 (rejecting Volkswagen’s
    argument that prior settlement agreement reached with federal government for
    violations of § 7522(a)(3)(A) and (B) precluded further liability for the same conduct
    in subsequent civil suit brought by counties for violations of overlapping state and
    local prohibitions).
    46
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021     Page: 47
    from several statutory regimes must be applied with great care when they result from
    one underlying set of bad actions.”). But cf. Morse Diesel Int’l, Inc. v. United States,
    
    79 Fed. Cl. 116
    , 121–22 (2007) (“The court disagrees with the view that imposing
    civil penalties under the Anti-Kickback Act, and separate civil penalties and treble
    damages under the False Claims Act for the same acts, is either duplicative or
    prohibited.”).15
    Defendants’ second theory is, in essence, that the penalties authorized for
    violations of a state SIP must yield to the specific penalties set forth in § 7524(a) for
    tampering with vehicle emissions controls. This theory may be in keeping with the
    function of SIPs within the CAA framework. Their chief purpose is to regulate
    stationary sources of pollution to attain air-quality standards established by the EPA.
    They play only a limited role with respect to Title II of the CAA, which focuses on
    mobile sources of pollution. Title II imposes just a few requirements on SIPs.16 To be
    sure, a SIP may, as Utah’s does, establish further requirements on motor vehicles
    (although only after sale to the ultimate purchaser), but the CAA does not generally
    require them to. (Thus, when Texas adopted a SIP that, in the view of the EPA,
    15
    The government, by the way, had not sought double recovery in Morse,
    stating that if it received the penalties and treble damages under the False Claims
    Act, it would not pursue further penalties under the Anti-Kickback Act. See 79 Fed.
    Cl. at 121.
    16
    See, e.g., 
    42 U.S.C. § 7545
    (m)(1)(A) (mandating oxygenated-gasoline
    requirements in SIPs for certain carbon monoxide nonattainment areas); 
    id.
    § 7586(a)(1) (requiring SIPs to have clean-fuel vehicle programs for fleets in certain
    nonattainment areas).
    47
    Appellate Case: 20-4043    Document: 010110624784         Date Filed: 12/28/2021    Page: 48
    contradicted federal law governing tampering with motor-vehicle emission devices,
    the EPA disapproved of the SIP but assessed no penalty on Texas because it had no
    duty to address tampering in its SIP.17) One might infer that when Congress set the
    penalty for violation of a SIP, it was contemplating violations by power plants and
    factories, not motor vehicles. In particular, Defendants’ apparent view is that a proper
    understanding of the CAA requires interpreting the SIP penalty provision as not
    permitting imposition of a penalty for violation of a SIP provision that duplicates the
    CAA’s anti-tampering provision.18 Cf. Loving v. IRS, 
    742 F.3d 1013
    , 1020 (D.C. Cir.
    2014) (Kavanaugh, J.) (rejecting interpretation of a general statutory penalty
    provision as conveying to the IRS a “heretofore undiscovered carte blanche grant of
    authority . . . to impose an array of penalties” on tax-return preparers for conduct
    already specifically targeted by a comprehensive penalty scheme in the Tax Code).19
    17
    See Approval & Promulgation of Air Quality State Implementation Plans
    (SIP); Texas; Disapproval of Revisions to the State Implementation Plan, 
    63 Fed. Reg. 6651
     (Feb. 10, 1998).
    18
    As best we can tell, there is only one other circumstance in which a violation
    of a SIP could also be a violation of a provision in Title II for which there is a
    specific penalty in Title II. Penalties for violations of certain fuel regulations are
    provided by 
    42 U.S.C. § 7545
    (d)(1). And a SIP may include a fuel regulation if the
    EPA finds that the regulation is necessary to achieve NAAQS. See 
    id.
    § 7545(c)(4)(C)(i).
    19
    Even if this argument of Defendants is correct, it would not necessarily
    foreclose States from setting their own penalty provisions for violation of their SIPs.
    For instance, the Ninth Circuit’s decision in Counties suggests that defendants may
    properly face liability under federal law for violation of anti-tampering provisions
    included in the CAA and under state law for violation of the relevant State’s SIP. See
    959 F.3d at 1223–25.
    48
    Appellate Case: 20-4043    Document: 010110624784         Date Filed: 12/28/2021    Page: 49
    Neither of Defendants’ arguments is frivolous. But we need not resolve them
    at this time. That is because another of their arguments—that the district court did not
    properly apply the statutory factors in evaluating the size of the penalty—is
    persuasive with respect to the SIP anti-tampering violations, so we must reverse and
    remand for reconsideration of those penalties. The analysis is straightforward.
    The CAA provides assessment criteria to be used in judicial and administrative
    proceedings when imposing penalties. It states:
    In determining the amount of any penalty to be assessed under
    this section or section 7604(a) of this title, the Administrator or the
    court, as appropriate, shall take into consideration (in addition to such
    other factors as justice may require) the size of the business, the
    economic impact of the penalty on the business, the violator’s full
    compliance history and good faith efforts to comply, the duration of the
    violation as established by any credible evidence (including evidence
    other than the applicable test method), payment by the violator of
    penalties previously assessed for the same violation, the economic
    benefit of noncompliance, and the seriousness of the violation.
    
    42 U.S.C. § 7413
    (e)(1) (emphasis added).
    We focus here on “the seriousness of the violation.” The district court noted
    that in evaluating the seriousness-of-the-violation factor, courts have considered
    “(1) the number of violations; (2) the duration of noncompliance; (3) the significance
    of the violation (degree of exceedance and relative importance of the provision
    violated); and (4) the actual or potential harm to human health and the environment.”
    UPHE II, 
    2020 WL 4282148
    , at *22 (internal quotation marks omitted). The court
    determined that the seriousness of the violation “weigh[ed] against mitigating
    penalties.” 
    Id. at *25
     (emphasis added). But in so doing, the district court did not
    49
    Appellate Case: 20-4043    Document: 010110624784        Date Filed: 12/28/2021       Page: 50
    give proper weight, if it gave any weight at all, to the judgment of Congress
    regarding the severity of the tampering violations. We seek “objective indications of
    the seriousness with which society regards the offense.” Frank v. United States, 
    395 U.S. 147
    , 148 (1969) (holding that a “petty” offense, for which jury trial is not
    required, is one for which the maximum sentence is no greater than six months). And
    when considering the seriousness of an offense for purposes of federal law, there
    could be no better objective indication than the penalty authorized by Congress for
    the specific conduct. See United States v. 817 N.E. 29th Drive, 
    175 F.3d 1304
    , 1309
    (11th Cir. 1999) (“Because Congress is a representative body, its pronouncements
    regarding the appropriate range of fines for a crime represent the collective opinion
    of the American people as to what is and is not excessive.”). For example, when
    assessing the propriety of a punitive-damages award, courts may compare the award
    to the civil penalties that could be imposed for comparable misconduct to “accord
    substantial deference to legislative judgments concerning appropriate sanctions for
    the conduct at issue.” BMW of N. Am., Inc. v. Gore, 
    517 U.S. 559
    , 583 (1996)
    (internal quotation marks omitted). In this case we need look no further than the CAA
    itself. See Arizona v. ASARCO LLC, 
    773 F.3d 1050
    , 1058 (9th Cir. 2014) (en banc)
    (“Here, Congress has made a reasoned judgment not simply as to analogous criminal
    or civil penalties, but as to punitive damages awarded in cases like the one at hand.
    We need not search outside the statutory scheme Congress enacted for legislative
    guidance in other contexts.”).
    50
    Appellate Case: 20-4043     Document: 010110624784         Date Filed: 12/28/2021      Page: 51
    For persons other than manufacturers or dealers, the maximum penalty for
    tampering with a motor vehicle, no matter what the aggravating factors, was set by
    Congress at $2,500. See 
    42 U.S.C. § 7524
    (a). Such a clear signpost cannot be
    ignored. True, violations of requirements in SIPs are subject to a higher penalty cap.
    See 
    id.
     § 7413(b) (“not more than $25,000 per day for each violation”). But the fact
    that a factory or an industrial plant contaminating the atmosphere (and it cannot be
    gainsaid that such stationary polluters are the bread-and-butter of a SIP) may merit a
    much higher penalty is hardly ground for imposition of similar penalties for
    tampering with an automobile emission system. The very fact that one of the
    statutory assessment criteria is “seriousness of the violation” testifies to the need for
    an individualized assessment of each violation.
    We therefore must hold that the district court abused its discretion in weighing
    the seriousness-of-the-violation factor against Defendants in calculating penalties for
    violations of the Utah SIP’s anti-tampering provision. We vacate the penalties
    associated with those violations and remand for the district court’s reconsideration.
    2. Other challenges to the penalties
    Our remand for reconsideration of the SIP anti-tampering penalties, however,
    represents the only respect in which we agree with Defendants’ arguments regarding
    the penalties assessed against them.
    To begin with, we see no other abuse of discretion in assessing the statutory
    factors for imposition of penalties. In all other respects, the district court’s careful
    evaluation of the factors evinced the essence of judicial discretion. We do note,
    51
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021    Page: 52
    however, that after judgment was entered Defendants presented some evidence of
    financial reverses that led to a district-court order conditionally granting a motion
    staying execution of the judgment. Reconsideration of the penalties in light of any
    such developments is authorized on remand.
    Finally, Defendants argue that the penalties imposed on them for violations of
    Utah’s SIP are “excessive and disproportionate to the gravity of the violations,” and
    therefore unconstitutional under the Eighth Amendment. Aplt. Br. at 47. They attack
    what they call the “outrageously excessive” $114 million starting point calculated by
    the district court for owning-and-operating violations by B&W. Id. But that is not the
    penalty the court imposed. Although employing the top-down approach that starts
    with the statutory maximum, the court lowered the owning-and-operating penalties
    by more than 99.8%, to $114,426 for B&W. See UPHE II, 
    2020 WL 4282148
    , at *19,
    *25. The test for whether a fine is excessive under the Eighth Amendment is whether
    “it is grossly disproportional to the gravity of a defendant’s offense.” United States v.
    Bajakajian, 
    524 U.S. 321
    , 334 (1998). In light of the flagrant misconduct by
    Defendants, we see no gross disproportion. They have brought to our attention no
    comparable case in which a civil penalty was held to violate the Eighth Amendment.
    IV.    CONCLUSION
    The judgment of the district court is AFFIRMED IN PART and REVERSED
    IN PART. On remand, the court shall make findings regarding which, if any, of the
    vehicles sold or awarded to out-of-state customers were driven or operated in Utah
    before sale. The following categories of violations shall then be excluded from the
    52
    Appellate Case: 20-4043     Document: 010110624784        Date Filed: 12/28/2021      Page: 53
    total liability: (a) violations based on vehicles sold or awarded to out-of-state
    customers without first being driven or operated in Utah; (b) violations based on
    defeat parts sold to out-of-state customers; and (c) violations based on marketing (but
    not sale) of defeat parts. Finally, the court will need to reassess appropriate penalties
    under the CAA and Utah’s SIP in a manner consistent with this opinion, taking into
    account the same factors as before, as well as any additional information the court
    deems relevant.
    53
    

Document Info

Docket Number: 20-4043

Filed Date: 12/28/2021

Precedential Status: Precedential

Modified Date: 12/28/2021

Authorities (32)

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