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  2. Regulations for Emissions from Vehicles and Engines

2010 Commitment Letters for MY2017-2025 Light-Duty and MY 2014-2018 Heavy-Duty Programs

The State of California and major automobile and truck manufacturers showed their support for a national heavy-duty GHG and fuel efficiency program as well as further light-duty GHG and CAFE standards by sending letters to the agencies in May 2010.

  • AIAM (pdf) (141.63 KB)
  • Alliance of Automobile Manufacturers (pdf) (134.02 KB)
  • California Air Resources Board (pdf) (337.69 KB)
  • Chrysler (HD) (pdf) (64.87 KB)
  • Chrysler (LD) (pdf) (99.68 KB)
  • Cummins (pdf) (142.08 KB)
  • Daimler Trucks (pdf) (831.32 KB)
  • Daimler Vans (pdf) (139.3 KB)
  • Ford (HD) (pdf) (465.99 KB)
  • Ford (LD) (pdf) (530.71 KB)
  • General Motors (HD) (pdf) (585.32 KB)
  • General Motors (LD) (pdf) (633.12 KB)
  • Honda (pdf) (258.65 KB)
  • Jaguar Land Rover (pdf) (1.06 MB)
  • Mazda (pdf) (55.23 KB)
  • Mitsubishi (pdf) (158.55 KB)
  • Navistar (pdf) (100.9 KB)
  • North American Trucks (pdf) (365.37 KB)
  • Porsche (pdf) (140.34 KB)
  • Toyota (pdf) (124.7 KB)
  • Volkswagen (pdf) (150.68 KB)

Regulations for Emissions from Vehicles and Engines

  • Onroad
    • Passenger Vehicles
    • Commercial Trucks & Buses
    • Motorcycles
  • Nonroad
    • Aircraft
    • Heavy Equipment
    • Locomotives
    • Marine
    • Recreational Vehicles
    • Small Equipment & Tools
  • Greenhouse Gas
Contact Us About Regulations for Emissions from Vehicles and Engines
Contact Us About Regulations for Emissions from Vehicles and Engines to ask a question, provide feedback, or report a problem.
Last updated on April 18, 2025
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