We want to ensure vehicle owners know the importance of emission labels. We have noticed that some manufacturers, like Detroit engines,...

Below are notes from CARB regarding testing Background During the initial phase of the Clean Truck Check program in 2023, only vehicles...

Mobile Service for OBD and Opacity Testing When it comes to emissions testing, particularly opacity tests, it’s important to understand...

We want to ensure vehicle owners know the importance of emission labels. We have noticed that some manufacturers, like Detroit engines,...

The California Air Resources Board (CARB) has issued a notice regarding stricter enforcement of warm-up cycles for vehicles that have...

As a fleet manager, navigating compliance programs like the Clean Truck Check  can sometimes feel daunting, especially when it comes to...

For Clean Truck Check customers looking to streamline diesel compliance and emissions testing, there’s excellent news: you can now add...

For truck owners and operators bringing out-of-state heavy-duty vehicles into California, as well as DMV Exempt Plated Vehicles, the...

The Clean Truck Check program has officially launched testing for vehicles with January and July registrations. With the 90-day testing...

We want to ensure vehicle owners know the importance of emission labels. We have noticed that some manufacturers, like Detroit engines,...

We want to ensure vehicle owners know the importance of emission labels. We have noticed that some manufacturers, like Detroit engines,...

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

Below is information posted by CARB related to motorhomes. Clean Truck Check Requirements for Personal (Non-Commercial) Use Motorhomes...

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...