California-Registered Vehicles
Covered California-registered vehicles are subject to program requirements that may include CTC-VIS reporting, the applicable compliance fee and required emissions testing by assigned deadlines.
Provide your VIN, license plate number, vehicle details, fuel type, GVWR and registration information.
Select the service you need: new account reporting, annual reporting, vehicle addition or an eligible 5-Day Pass request.
Check your details, especially the VIN and license plate number, before submitting to help prevent reporting errors.
Submit your information and payment to us. You’ll receive a payment receipt, followed by confirmation of the reporting service completed and any applicable next steps.
Choose the reporting assistance you need. As an independent third-party service, we help submit information and account updates through CTC-VIS or TRUCRS, depending on the service selected.
Clean Truck Check applies to diesel and alternative-fuel vehicles over 14,000 lbs GVWR operating on California roads, including both in-state and out-of-state fleets. Requirements may vary based on the vehicle’s registration, classification, and use. This includes diesel, diesel-hybrid, natural gas, and other alternative-fuel vehicles.



14,000+ lbs
Gross Vehicle Weight RatingDiesel and alternative fuel vehicles with a Gross Vehicle Weight Rating (GVWR) over 14,000 pounds.
Covered California-registered vehicles are subject to program requirements that may include CTC-VIS reporting, the applicable compliance fee and required emissions testing by assigned deadlines.
Qualifying out-of-state trucks are also subject to California’s Clean Truck Check requirements when operating on California public roads. Out-of-state registration alone does not exempt an otherwise covered commercial vehicle from the program.
Covered vehicles must continue to meet applicable program requirements, including keeping required vehicle information current, paying applicable compliance fees and completing required emissions testing on schedule. Testing frequency depends on the vehicle type and applicable program requirements.
Covered vehicles must meet applicable program requirements for vehicle eligibility, CTC-VIS reporting, compliance fees and emissions testing. Once the applicable requirements are completed, the state determines the vehicle’s compliance status and certificate availability.
Clean Truck Check generally applies to covered vehicles with a GVWR over 14,000 pounds operating on California public roads.
The program covers qualifying diesel, diesel-hybrid, natural gas and other alternative-fuel vehicles. Battery-electric and hydrogen fuel-cell vehicles are not subject to the program.
Most covered vehicles currently require emissions testing twice each year, while qualifying agricultural vehicles and California-registered motorhomes are tested annually. Beginning October 1, 2027, OBD-equipped vehicles transition to quarterly testing.
Required emissions testing must be completed by a credentialed tester using an approved testing method. Test results are submitted through the state system as part of the compliance process.
Covered vehicles must have the required information reported through CTC-VIS. This includes vehicle and registration details such as the VIN, license plate number, GVWR and registration jurisdiction.
An annual compliance fee applies to each covered vehicle and is part of maintaining compliance with the program.
Get third-party reporting assistance for CTC-VIS. Choose the service you need and submit your vehicle information to our team online.
Start Your Reporting RequestSee the price for our third-party reporting assistance before submitting your request. Services start at$95 for the first vehicle, with applicable state fees included where specified.
New CTC-VIS Reporting Assistance
California state emissions fee included. No surprises at checkout.
Apply NowWe submit Clean Truck Check vehicle information and related requests through CTC-VIS. Our service covers reporting only; we do not conduct inspections or emissions tests.
No. A CARB-credentialed tester must perform the emissions test and submit the result. The tester's fee is separate from our reporting fee.
Official certificates are issued directly by CARB once all program steps are met. We handle the heavy lifting for you filing your reporting in CTC-VIS, tracking your vehicle's status, and sending over your official state confirmation as soon as CARB clears your account.
You receive a payment receipt immediately. Our team then submits the reporting in CTC-VIS and emails the registration confirmation, reported status, and any next steps that apply.
The 5-Day Pass provides temporary travel permission for five consecutive days but it is not full compliance. It does not clear a DMV registration hold or resolve a non-compliant status in CTC-VIS. Permanent compliance still requires complete database reporting, fee payments, and emissions testing.
Yes. We can report an additional eligible vehicle under an existing account using the information supplied in the application.
Need help choosing a reporting service or understanding your next step? Call, email or send us a message. As an independent third-party reporting service, we can assist with CTC-VIS reporting, annual reporting, vehicle additions and eligible 5-Day Pass requests.
Independent Third-Party Reporting Service: California-CARB.com is an independent third-party reporting service. We are not affiliated with, endorsed by, authorized by, or operated by the California Air Resources Board or any California state agency.
Reporting Assistance Only: We provide third-party assistance with submitting required vehicle information through CTC-VIS. We do not determine vehicle compliance, perform government functions, or issue compliance certificates.
Service and State Fees: Our third-party service fees and any applicable state fees included in the total price are disclosed before you submit your reporting request. Emissions testing fees are separate and are not included unless expressly stated.
Emissions Testing Is Separate: We do not perform emissions testing. When testing is required, it must be completed separately by a credentialed tester using an approved testing method.