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Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles (Final)
Apr. 23, 2024
Under the CAA the EPA is establishing new, more protective emissions standards for criteria pollutants and 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. This final rule is effective on 17 June 2024. POC is Michael Safoutin, Office of Transportation and Air Quality, Assessment and Standards Division (ASD), EPA, 2000 Traverwood Drive, Ann Arbor, MI 48105; tele: (734) 214-4348; email: safoutin.mike@epa.gov.

(Federal Register 22 April 2024 [Rule] Pages 29440-2983)
 

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Last Updated: January 22, 2018