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Dubbed the Clean Truck Check, the program combines periodic vehicle testing requirements with other emissions monitoring techniques and expanded enforcement strategies to identify vehicles in need of emissions related repairs and ensure any needed repairs are performed.
Clean Truck Check applies to almost all diesel and alternative fuel trucks and buses with a GVWR over 14,000 pounds operating on-road in California including out-of-state and out-of-country vehicles, California registered motorhomes and agricultural vehicles.
The California Clean Truck Check uses the Heavy-Duty Inspection and Maintenance (HD I/M) program to regularly ensure vehicles have proper functioning emission control systems.
Clean Truck Check applies to nearly all diesel and alternative fuel heavy-duty vehicles with a gross vehicle weight rating (GVWR) over 14,000 pounds that operate on California public roads and highways even if they are not registered in California.
The California Air Resources Board (CARB) announced the program moving forward will be referred to as the Clean Truck Check. The program applies to all diesel and alternative fuel vehicles with a gross vehicle weight rating (GVWR) of over 14,000 pounds, including all out-of-state and out-of-country vehicles. What is Required in 2024?
In 2024, California is continuing the roll-out of a stricter emissions testing program called Clean Truck Check. To keep non-compliant trucks off the road, emissions testing for diesel vehicles will now be more stringent than ever.
What is it? Who is regulated? How are they regulated?
Yes, the Clean Truck Check requires non-gasoline (diesel, alternative fuel, and hybrid) trucks, buses, and other heavy-duty vehicles, such as California-registered motorhomes, with a gross vehicle weight rating (GVWR) over 14,000 lbs that operate in California to report and undergo emissions testing.
Clean Truck Check applies to nearly all diesel and alternative fuel heavy-duty vehicles with a gross vehicle weight rating (GVWR) over 14,000 pounds that operate on California public roads and highways even if they are not registered in California.
The California Air Resources Board (CARB or Board) has posted a guidance document for vehicle owners with updated information on the expected start date of the Clean Truck Check periodic compliance testing in 2024 and projected compliance deadlines for vehicles subject to semiannual (twice per year) testing.