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Requires PM filters for heavier trucks starting January 1, 2012 and early vehicle replacements for vehicles with a gross vehicle weight rating greater than 14,000 pounds starting January 1, 2015. (Para ver esta página en español.)

Applies to privately and federally owned trucks and buses and privately and publicly owned school buses with a gross vehicle weight rating greater than 14,000 pounds that operate in California.

Includes any person, business, school district, tribal reservation, or federal government agency that owns, operates, leases or rents affected vehicles.

Fleets of three or fewer vehicles can take advantage of the small fleet provisions that delay clean-up until January 1, 2014; however, reporting requirements start in 2012 (The first deadline for reporting has been extended to March 30, 2012). There is no fee for reporting.

Does not include vehicles subject to Solid Waste Collection Vehicle Regulation, Public Agency and Utility Vehicle Regulation, Drayage (Port or Rail) Truck or Transit/Urban Bus Regulations.

Program and Regulation InformationTruck and bus flier cover


Reporting and Compliance Tools

Compliance Options (Provisions and Credits)Truck and bus flier cover


Particulate Matter Filter (VDECS, DPF, PM Filter, Exhaust Retrofit) Information

Financial Assistance