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Rule2024-062142024-04-18

Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles

Environmental Protection Agency

Abstract

Under the Clean Air Act, the Environmental Protection Agency (EPA) is establishing new, more protective emissions standards for criteria pollutants and greenhouse gases (GHG) for light-duty vehicles and Class 2b and 3 ("medium-duty") vehicles that will phase-in over model years 2027 through 2032. In addition, EPA is finalizing GHG program revisions in several areas, including off-cycle and air conditioning credits, the treatment of upstream emissions associated with zero-emission vehicles and plug-in hybrid electric vehicles in compliance calculations, medium-duty vehicle incentive multipliers, and vehicle certification and compliance. EPA is also establishing new standards to control refueling emissions from incomplete medium-duty vehicles, and battery durability and warranty requirements for light- duty and medium-duty electric and plug-in hybrid electric vehicles. EPA is also finalizing minor amendments to update program requirements related to aftermarket fuel conversions, importing vehicles and engines, evaporative emission test procedures, and test fuel specifications for measuring fuel economy.

Action & Dates

Action
Final rule.
Dates
This final rule is effective on June 17, 2024. The incorporation by reference of certain publications listed in this regulation is approved by the Director of the Federal Register beginning June 17, 2024. The incorporation by reference of certain publications listed in this regulation is approved by the Director of the Federal Register as of March 27, 2023.
Effective Date
2024-06-17

CFR References

Topics

Administrative practice and procedureAir pollution controlConfidential business informationElectric powerEnvironmental protectionFuel economyGreenhouse gasesImportsIncorporation by referenceLabelingMotor vehicle pollutionPenaltiesReporting and recordkeeping requirementsResearchWarranties

Document Excerpt

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Parts 85, 86, 600, 1036, 1037, 1066, and 1068 [EPA-HQ-OAR-2022-0829; FRL-8953-04-OAR] RIN 2060-AV49 AGENCY: Environmental Protection Agency (EPA). ACTION: Final rule. SUMMARY: Under the Clean Air Act, the Environmental Protection Agency (EPA) is establishing new, more protective emissions standards for criteria pollutants and greenhouse gases (GHG) for light-duty vehicles and Class 2b and 3 (“medium-duty”) vehicles that will phase-in over model years 2027 through 2032. In addition, EPA is finalizing GHG program revisions in several areas, including off-cycle and air conditioning credits, the treatment of upstream emissions associated with zero-emission vehicles and plug-in hybrid electric vehicles in compliance calculations, medium-duty vehicle incentive multipliers, and vehicle certification and compliance. EPA is also establishing new standards to control refueling emissions from incomplete medium-duty vehicles, and battery durability and warranty requirements for light-duty and medium-duty electric and plug-in hybrid electric vehicles. EPA is also finalizing minor amendments to update program requirements related to aftermarket fuel conversions, importing vehicles and engines, evaporative emission test procedures, and test fuel specifications for measuring fuel economy. DATES: This final rule is effective on June 17, 2024. The incorporation by reference of certain publications listed in this regulation is approved by the D

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Related Documents

Other Federal Register documents from the same docket.

Full Document

Citation: 89 FR 27842