Below is the schedule for testing vehicles registered in California. If your vehicle is not registered in California or exempt , click...

If you're a truck owner in California, it’s time to gear up for the California Clean Truck Check Program! While the program officially...

Below is a notification from CARB that vehicle owners should be familiar with to ensure you pass your OBD test. Clean Truck Check (CTC)...

The Clean Truck Check program applies to almost all non-gasoline trucks, buses, public vehicles, motorcoaches, transit, shuttle and...

Understanding California's Clean Truck Check for Motorhomes California's Clean Truck Check program requires certain heavy-duty vehicles,...

Visible engine labels are essential for emissions testing, providing critical information about a vehicle's engine specifications and...

In recent months, there has been a surge in confusion and frustration among California drivers receiving notices from the Department of...

We want to update you on recent changes to the Clean Truck Check program, overseen by the California Air Resources Board (CARB). The...

The Clean Truck Check program, set to implement On-Board Diagnostic (OBD) Monitor Readiness and Permanent Diagnostic Trouble Code (PDTC)...

The information below was went out by CARB to inform the public about upcoming requirements and additional information about making sure...

As a fleet owner, ensuring that your vehicles meet the emissions standards set by the California Air Resources Board (CARB) is paramount....

On-Site Diesel Testing: Convenient and Efficient If you own a fleet of vehicles or a single diesel-powered unit in the Bay Area, you know...

Understanding CARB Regulations for Heavy-Duty Trucks If you own or operate a heavy-duty truck in the Bay Area, it's important to...