Need to Get Your Truck Tested for
Clean Truck Check Compliance?
Step 1:
Step 2:
Step 3:
Step 1: Get Certified – Quick & Easy
Become a Certified Clean Truck Check Tester in Under 2 Hours
No ASE certification required – anyone can qualify! CARB’s Clean Truck Check program allows fleet owners and service providers to conduct emissions testing without needing specialized certifications.
This certification process is designed to be accessible and straightforward, ensuring that both fleet owners and service providers can quickly get up to speed. With minimal training, you’ll be able to perform tests efficiently, meet CARB compliance standards, and unlock new business opportunities. Whether you’re looking to streamline fleet operations or expand your service offerings, becoming a certified tester is a fast, easy way to stay ahead in the industry.





Step 2: Get Your Testing Device
The Tool You Need to Start Testing Anywhere
A certified tester needs the right tools to perform Clean Truck Check emissions tests efficiently. OPUS Inspection offers a CARB-approved, turn-key testing device that allows you to conduct tests anywhere—no need to pull vehicles into a shop or specialized facility.
With CARB’s testing requirements increasing, having a reliable, on-site testing solution is more important than ever. Our device is simple to use, fully compliant, and designed for efficiency—allowing you to complete tests quickly and accurately while maximizing convenience for both fleet operators and service providers.
In addition to testing, the device gives you the ability to read and clear fault codes on the spot, so you can complete tests without delays or repeat visits. It also provides access to RAW PIDs data, giving you deeper diagnostic insight and more precise control over the testing process.
Whether you’re managing your own fleet or offering testing services, this tool ensures you stay ahead of regulations and industry demand.
Step 3: Turn Compliance Into a Business Opportunity
Seize the Growing Opportunity with CARB’s Clean Truck Check Program
California’s Clean Truck Check program is expanding—testing requirements are doubling by 2027, creating a massive opportunity for certified testers and service providers. With over 1 million heavy-duty vehicles subject to routine emissions testing, fleet owners need reliable, on-site solutions to stay compliant. Whether you’re a fleet operator ensuring regulatory compliance or a service provider looking to add a lucrative new revenue stream, now is the time to act.
Don’t Miss Out—Start Testing Today!
Become a CARB-certified tester and capitalize on the growing demand for Clean Truck Check services.
Whether You Manage Fleets or Service Them, This is Your Opportunity
Unlock new revenue, ensure compliance, and stay ahead as CARB expands testing requirements.
Aligned with Industry Standards & Regulation
The Clean Truck Check Ecosystem


