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EPA/OAR RIN: 2060-AV49 Publication ID: Fall 2022 
Title: Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles 

Per EPA's authority under the Clean Air Act section 202(a), EPA will propose a comprehensive set of emissions standards for greenhouse gases and criteria pollutants for the light-duty vehicle sector as well as the heavy-duty vehicle Class 2B and 3 sectors. The standards will begin with model year 2027 light-duty vehicles, with stringency levels set at least through model year 2030. This action is also supported by the President's Executive Order 14037, titled "Strengthening American Leadership in Clean Cars and Trucks." EPA will coordinate with the Department of Transportation in developing this proposal as appropriate.

Agency: Environmental Protection Agency(EPA)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: Yes  Unfunded Mandates: No 
CFR Citation: 40 CFR 86    40 CFR 600   
Legal Authority: 42 U.S.C. 7401 to 7671q   
Legal Deadline:  None

Statement of Need: On August 5, 2021, President Biden issued Executive Order 14307 on Strengthening American Leadership in Clean Cars and Trucks which ordered the Administrator of the Environmental Protection Agency (EPA) to "establish new multi-pollutant emissions standards, including for greenhouse gas emissions, for light- and medium-duty vehicles beginning with model year 2027 and extending through and including at least model year 2030." This rulemaking will establish standards beyond 2026.

Summary of the Legal Basis: Clean Air Act (42 U.S.C. 7401)

Alternatives: EPA will asses alternative standards in the development of the proposal.

Anticipated Costs and Benefits: EPA will assess costs and benefits in the development of the proposal.

Risks: EPA will assess risks in the development of the proposal.

Action Date FR Cite
NPRM  03/00/2023 
Final Rule  03/00/2024 
Additional Information: .
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: Federal 
Federalism: No 
Included in the Regulatory Plan: Yes 
Sectors Affected: 335312 Motor and Generator Manufacturing; 336111 Automobile Manufacturing; 336112 Light Truck and Utility Vehicle Manufacturing; 423110 Automobile and Other Motor Vehicle Merchant Wholesalers; 81111 Automotive Mechanical and Electrical Repair and Maintenance; 811112 Automotive Exhaust System Repair; 811198 All Other Automotive Repair and Maintenance 
RIN Data Printed in the FR: No 
Agency Contact:
Jessica Mroz
Environmental Protection Agency
Office of Air and Radiation
1200 Pennsylvania Avenue NW,
Washington, DC 20460
Phone:202 564-1094

Christopher Lieske
Environmental Protection Agency
Office of Air and Radiation
2565 Plymouth Road,
Ann Arbor, MI 48105
Phone:734 214-4584