Frequently Asked Questions
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How do I set up my fleet or vehicle information on the CARB Website?
How do I set up my fleet or vehicle information on the CARB Website?
When does testing begin?
When does testing begin?
Where can I get more information about Motorhomes?
Where can I get more information about Motorhomes?
Here is where you can find more information directly from the CARB website.
What needs to be reported in the CARB Datatbase?
What needs to be reported in the CARB Datatbase?
Just the basic owner and vehicle information, you can see all the requested info here
What about vehicles registered out of CA but operate in CA?
What about vehicles registered out of CA but operate in CA?
These vehicles are required to also be registed and pass the diesel emissions compliance tests regularly. The testing dates will be different though, it is determined by the vehicle's VIN number and you can see the full breakdown here.
Is Clean Truck Check Enforced?
Is Clean Truck Check Enforced?
Yes, Clean Truck Check enforcement is underway.
Roadside emissions monitoring began in January 2023. Vehicles identified as potential high emitters will receive a Notice to Submit to Testing (NST) from the California Air Resources Board (CARB). Failure to comply with the NST can result in penalties and registration holds.
Annual Compliance Fee and Reporting
Annual Compliance Fee and Reporting
2023 Fee Deadline: The deadline to report your vehicle and pay the 2023 annual compliance fee was January 31,2024. Failure to comply may result in a DMV registration block and potential enforcement action. Many owners owe 2023 and 2024 fees.
2024 Fee Deadline: The deadline for the 2024 annual compliance fee varies by vehicle. Check your Clean Truck Check (CTC-VIS) account for your specific deadline.
Payment Methods: Only credit/debit cards, or TeleCheck (eCheck) are accepted through CTC-VIS. Other payment methods are not allowed.
Emissions Compliance Testing
Emissions Compliance Testing
Start Date: Emissions compliance testing is required starting October 1, 2024.
Testing Frequency: Testing requirements vary based on vehicle type and other factors. Refer to the following links for details:
Clean Truck Check Requirements for Vehicles Subject to Semi-Annual Compliance
Agricultural Vehicles & California Motorhomes Annual Compliance Requirements
Who Can Test: Only CARB-credentialed testers can perform Clean Truck Check emissions compliance testing.
Important Reminders
Important Reminders
✓ Comply on Time:
✓ Comply on Time:
Failure to meet deadlines can result in penalties and registration holds.
✓ Check CTC-VIS Regularly:
✓ Check CTC-VIS Regularly:
Stay informed about your compliance obligations and deadlines.
✓ Use a Credentialed Tester:
✓ Use a Credentialed Tester:
Ensure your vehicle is tested by a qualified professional.
Contact Us
Contact Us
Let us know what questions we should post here about the CARB Clean Truck Check Program!
Let us know what questions we should post here about the CARB Clean Truck Check Program!
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