General Air Quality Regulation Updates

Clean Truck Check Deadline: December 31, 2023

The deadline for registering your vehicle for the Clean Truck Check program (CTC), formerly the Heavy-Duty Inspection and Maintenance Program, is approaching on December 31, 2023. The CTC was approved by the California Air Resources Board (CARB) in 2021 and includes nearly all non-gasoline vehicles with a gross vehicle weight rating of over 14,000 pounds that operate in California. This includes public vehicles, trucks, buses, personal vehicles, California-registered motorhomes, single-vehicle fleets, and vehicles registered outside California (not including motorhomes).

Phase 2 of the program began October 1, 2023. This phase requires vehicle owners who are subject to the program to enter their vehicles in CARB’s Clean Truck Check database and pay an initial annual compliance fee of $30 dollars per vehicle by December 31, 2023. Phase 2 also includes freight contractor, broker, and applicable freight facility requirements for hiring compliant fleets, allowing access to the facility, and record keeping. Starting January 2024, all trucks driving in California will need proof of compliance to continue operating in the state.

Phase 3 of Clean Truck Check requires heavy-duty vehicle owners to conduct periodic vehicle emissions testing. This is similar to California’s Smog Check program for cars. Periodic testing begins in 2024 and applies to all compliance deadlines after July 1, 2024. Compliant tests may be submitted as early as April 2024. Periodic testing will initially be required twice per year for nearly all vehicles in the program. Agricultural vehicles and California-registered motorhomes are required to be tested once annually. If your vehicle is designated PNO (Planned Nonoperation) by the DMV, it will not need to be registered for this program.

CARB presentation for agricultural stakeholders.