We specialize in emissions testing for heavy-duty trucks and buses, ensuring compliance with California Air Resources Board (CARB) regulations.


Services

• Opacity Testing (Smoke Test)
• Visual Emissions Inspections
• On-Board Diagnostics (OBD) Compliance Testing
• CTC-VIS (Clean Truck Check Portal) Reporting Assistance


Certified Clean Truck Check Inspections | Same Day ResultsCARB-Approved | Mobile Service for Fleets and Owner-OperatorsProudly serving Southern California, including Los Angeles, Orange County, and Inland Empire.


Contact Us


FAQ

Q: What is Opacity Testing?
A: For 2012 and older diesel vehicles. Measures smoke using SAE J1667 opacity meter.
Q: What is the Visual Emissions Control Equipment Inspection?
A: Required for 2012 and older diesel, and 2017 or older alt-fuel vehicles. Checks presence and condition of DPF, EGR, SCR, NOx/O2 sensors, ECM, etc.
Q: What is OBD Testing?
A: For 2013+ diesel or 2018+ alt-fuel vehicles. Uses CARB-certified reader to verify readiness and emissions monitors.
Q: What is the cost?
A: Contact for custom pricing depending on vehicle count, service type and location.
Q: How do I avoid penalties?
A: Submit tests before deadline (can test up to 90 days early). Late or missing tests can lead to DMV blocks and CARB citations.
Q: What vehicle information do I need?
A: VIN#, License Plate #, Year, Fuel Type



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