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Importance of Legible Emission Labels
We want to ensure vehicle owners know the importance of emission labels. We have noticed that some manufacturers, like Detroit engines,...
Mar 32 min read
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Information About OBD Testing
Below are notes from CARB regarding testing Background During the initial phase of the Clean Truck Check program in 2023, only vehicles...
Feb 33 min read
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The Opacity Test: Why It's More Than Just a Test Slip
Mobile Service for OBD and Opacity Testing When it comes to emissions testing, particularly opacity tests, it’s important to understand...
Jan 202 min read
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Importance of Legible and Accessible Emission Labels for Opacity Testing
We want to ensure vehicle owners know the importance of emission labels. We have noticed that some manufacturers, like Detroit engines,...
Jan 12 min read
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CARB's Enforcement of Warm-Up Cycles for Recently Repaired or Code-Cleared Vehicles
The California Air Resources Board (CARB) has issued a notice regarding stricter enforcement of warm-up cycles for vehicles that have...
Dec 15, 20242 min read
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Understanding the Clean Truck Check Program: Clarifying the 14,000 GVWR Rule for Fleet Managers
As a fleet manager, navigating compliance programs like the Clean Truck Check  can sometimes feel daunting, especially when it comes to...
Nov 26, 20242 min read
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How to Add Bay Area Mobile Diesel Testing as a Co-Entity to Your Clean Truck Check Account—At No Extra Cost
For Clean Truck Check customers looking to streamline diesel compliance and emissions testing, there’s excellent news: you can now add...
Nov 20, 20242 min read
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Understanding California’s Clean Truck Check Program Testing Dates for Out-of-State Vehicles and DMV Exempt Plated Vehicles
For truck owners and operators bringing out-of-state heavy-duty vehicles into California, as well as DMV Exempt Plated Vehicles, the...
Nov 11, 20242 min read
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Clean Truck Check Program: Testing Now Underway!
The Clean Truck Check program has officially launched testing for vehicles with January and July registrations. With the 90-day testing...
Nov 3, 20241 min read
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Importance of Readable Emission Labels for Testing
We want to ensure vehicle owners know the importance of emission labels. We have noticed that some manufacturers, like Detroit engines,...
Oct 28, 20242 min read
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Importance of Readable Emission Labels for Testing
We want to ensure vehicle owners know the importance of emission labels. We have noticed that some manufacturers, like Detroit engines,...
Oct 28, 20242 min read
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Best Practices to Ensure Passing Tests
The Clean Truck Check program, On-Board Diagnostic (OBD) Monitor Readiness and Permanent Diagnostic Trouble Code (PDTC) requirements...
Oct 16, 20243 min read
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Clean Truck Check Requirements for Personal (Non-Commercial) Use Motorhomes
Below is information posted by CARB related to motorhomes. Clean Truck Check Requirements for Personal (Non-Commercial) Use Motorhomes...
Oct 10, 20242 min read
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Understanding the Testing Schedule for the California Clean Truck Check Program
Below is the schedule for testing vehicles registered in California. If your vehicle is not registered in California or exempt , click...
Sep 30, 20241 min read
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Get Ready for the California Clean Truck Check Program: Testing Begins October 2024!
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...
Sep 19, 20241 min read
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Important Notification From CARB
Below is a notification from CARB that vehicle owners should be familiar with to ensure you pass your OBD test. Clean Truck Check (CTC)...
Aug 27, 20242 min read
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Which vehicles are exempt from the California Clean Truck Check Program, and which are not?
The Clean Truck Check program applies to almost all non-gasoline trucks, buses, public vehicles, motorcoaches, transit, shuttle and...
Aug 6, 20241 min read
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Motorhome Information
Understanding California's Clean Truck Check for Motorhomes California's Clean Truck Check program requires certain heavy-duty vehicles,...
Jul 22, 20241 min read
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"Importance of Clear Engine Label or Emission Control Label (ECL) for Emissions Testing"
Visible engine labels are essential for emissions testing, providing critical information about a vehicle's engine specifications and...
May 29, 20241 min read
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Unraveling the Misunderstandings of the DMV's Notices on CARB Compliance
In recent months, there has been a surge in confusion and frustration among California drivers receiving notices from the Department of...
May 6, 20242 min read
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