Downloads

Regulations

• California Air Resources Board (CARB) Truck and Bus Engine Regulations
  Effective January 1, 2023, nearly all trucks and buses must have 2010 or newer model year engines to reduce particulate matter (PM) and oxides of nitrogen (NOx) emissions.
• California’s Plan for Zero-Emission Vehicles
• Advanced Clean Fleets Regulation Summary
• Advanced Clean Trucks Fact Sheet