Diesel Truck & CARB Regulations

Need help finding information about the State Air Resources Board (CARB) On-Road Truck Regulations? Telephone the CARB Hotline number: 866-634-3735 (866-6Diesel) and talk with a live person, or go on line at CARB website link The Truck Stop or The Truck and Bus Regulation Web page

Useful Fact Sheets:

Overview of Truck and Bus Regulation

Agricultural Vehicle Provisions

Small Fleet Provisions

Truck and Bus Compliance Options

Heavy Duty Diesel Vehicle Air Quality Loan Program

Emissions and Health Benefits

Assistance in finding the information you need regarding the following State Air Resources Board (CARB) regulations: Industrial Engines; Agricultural Stationary and Portable Engines; In-Use Off-Road Regulation; In-Use On-Road Truck Regulation, and Misc Municipal and Utility Fleets.

Summary of Regulations

Staff Contacts for Regulations