CARB Clean Truck Check
CARB Compliance Update: Fleets with 14,000lb GVWR Diesels no longer have to test their vehicle emission system between July – December 2024, but owners are required to pay the 2024 compliance fee during the periodic testing window. Testing will begin in January 2025.
Clean Truck Check (formerly the Heavy-Duty Inspection and Maintenance program)
The goal of Clean Truck Check is to ensure that heavy-duty vehicles operating in California remain equipped with properly functioning emissions controls, and when malfunctioning, that these components are repaired in a timely manner. Clean Truck Check requires reporting, vehicle testing, and compliance fees.
CARB Compliance requirements affect non-gasoline vehicles with a gross vehicle weight rating (GVWR) greater than 14,000 pounds operating in California. Clean Truck Check is similar to California’s Smog Check program for light-duty vehicles.
To learn more, read this document, or watch our interview on this important topic here:
Key Events and Estimated Implementation Dates Are:
- CARB plans to implement a three-month reporting season projected to run from October 1, 2023, to January 31, 2024.
- By January 31, 2024, vehicle owners need to complete the registration of their vehicles in the Clean Truck Check database and pay a $30 per vehicle 2023 annual compliance fee.
- CARB estimates that periodic testing requirements will become effective starting in July 2024. This means that a passing compliance test would be required to be submitted to CARB for all vehicle compliance deadlines on or after January 1, 2025.
CARB Clean Truck Check Timeline
- High-emitter vehicle screening using roadside emissions monitoring
- NST issued to vehicles identified as potential high emitters
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2023 Reporting in Clean Truck Check Database System
- Establish owner accounts and input owner/vehicle information Pay 2023 per vehicle compliance fees
Planned start for July 2024 CARB staff conducts webinar training on Clean Truck Check Database System
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To legally operate in California:
- Compliance with NST letters and reporting requirements
- Payment of compliance fees
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- Periodic compliance testing begins in Clean Truck Check
- Periodic Smoke Inspection Program (PSIP) ends
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