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 that operate in California. Includes any person, business, school district, tribal reservation, or federal government agency that owns, operates, leases or rents affected vehicles. 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.
A motor home or a recreational vehicle is not part of the truck and bus regulation if the vehicle is of the type stated as exempt in this regulation.
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. There is no fee for reporting.
- Truck and Bus Regulatory program website
- Current regulation and advisories
- Reducing Emissions from Existing Diesel Vehicles Fact Sheet
- 1-866-6DIESEL Hotline's Most Frequently Asked Questions
- Enforcement letter dated November 26, 2012
- Reporting status check: Use this link to verify if a company reported.
- What if I missed the first Truck and Bus Regulation reporting deadline?
- Reporting Main Page
- Reporting Video: How to get started
- Where is the GVWR (Gross Vehicle Weight Rating) label on my truck?
- Where is the engine label/emission control label (ECL) on my truck?
- Truck and Bus Reporting Training
- Compliance Requirements Fact Sheet
- Small Fleets Compliance Options FAQs
- Small Fleets Compliance Options Video
- Diesel Hotline's Example Fleets for owners of 1 to 3 trucks or buses
- More Flexibility Options and FAQs
DPF/Soot Filter (VDECS, diesel particulate filter, PM Filter, Exhaust Retrofit) Information