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Clean Truck Check | TruckStop

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Back to Regulation Overview

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:

  1. Weigh more than 14,000 pounds.
  2. Drive on California roads.
  3. Use diesel, alternative fuels, or hybrid engines.


Vehicle owners need to take 3 steps to comply:

  1. Report vehicle information in Clean Truck Check-Vehicle Inspection System (CTC-VIS).
  2. Pay an annual fee.
  3. Test vehicles.

Enforcement

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DMV Hold or Notice
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Denied Access at a Freight Facility
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Notice to Submit to Testing

Enforcement Resources

Reporting Help

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Meetings & Workshops
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FAQ
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Fact Sheets & Guides

Reporting Resources

Reporting Database

Report affected vehicle(s)* in the Clean Truck Check (CTC-VIS) database.

*Including government vehicles and buses.

CTC-VIS Database

Credentialed Tester Resources

Credentialed Testers Requirements

Only credentialed testers can complete and submit results.  Anyone can become a Credentialed Tester. Credentials expire every two years.

  1. Complete the free training course.
  2. Pass the exam.
  3. Create a tester account in CTC-VIS.

Popular Resources

Contact

Clean Truck Check (HD I/M)
Mobile Source Control Division
hdim@arb.ca.gov
(866) 634-3735

Email Updates

Keep up to date on the latest information and updates about Clean Truck Check.

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