How to Comply with Clean Truck Check
Follow these steps to ensure your fleet meets California’s Clean Truck Check requirements.
1
Create Your CTC Account
Visit CARB’s Clean Truck Check Portal to register your vehicles and set up your account. Need assistance? We offer complete account management.
2
Pay Annual Fees
Submit the average annual fee of $30 per vehicle per year through CARB’s official portal to maintain compliance.
3
Complete Required Testing
Use AIRPASS™ or schedule a mobile technician for semiannual tests in 2025–2026 and quarterly tests starting in 2027.
FAQ About Clean Truck Check Inspections
Find answers to your most pressing questions about Clean Truck Check inspections.
What is a Clean Truck Check Inspection?
Clean Truck Check involves OBD tests for 2013 and newer trucks or OVO Opacity Smoke Test and Visual Inspection for 2012 and older engine models to ensure compliance.
How often are inspections required?
Inspections are semiannual from 2025 to 2026 and quarterly starting in 2027.
What are the penalties for non-compliance?
Non-compliance can result in fines, registration holds or operational restrictions within California.
How do you get inspections?
Inspections can be completed by purchasing AIRPASS™ or scheduling a mobile technician service.
What vehicles are subject to Clean Truck Check?
All diesel and hybrid trucks operating in California.
Can I use AIRPASS™ outside California?
Yes, AIRPASS™ is functional in the U.S., Canada, and Mexico, ensuring compliance across borders.