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EPA/OAR RIN: 2060-AV49 Publication ID: Spring 2023 
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."

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
Action Date FR Cite
NPRM  05/05/2023  88 FR 29184   
NPRM Comment Period End  07/05/2023 
Final Rule  03/00/2024 
Additional Information: .
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal 
Federalism: No 
Included in the Regulatory Plan: No 
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