Clean Truck Check (HD I M) | California Air Resources Board Posted March 10, 2026: Clean Truck Check program requirements are in effect for subject vehicles, including vehicles registered outside of California when operating in the state, to report, pay an annual compliance fee, and submit required passing emissions tests
Clean Truck Check-Vehicle Inspection System (CTC-VIS) Online User Guide Supporting documentation and or additional attestations may be required in CTC-VIS or emailed to HDIM@arb ca gov If you are creating a CTC-VIS account for the first time, click on the “Register” button If you are a returning user, please click “Log In” and enter your username and password
Clean Truck Check | TruckStop | California Air Resources Board Enforcement is active Stay Compliant California's Clean Truck Check law is in effect Avoid a California DMV registration hold and other enforcement actions The law applies to vehicles that: Weigh more than 14,000 pounds Drive on California roads Use diesel, alternative fuels, or hybrid engines Vehicle owners need to take 3 steps to comply:
Clean Truck Check - California Air Resources Board To facilitate an efficient discussion, CARB kindly requests that you submit any questions or concerns you have about the CTC-VIS database when you register for the webinar you wish to attend Dates and corresponding registration links have been provided below