Certified Diesel
Emission Testing

Our diesel emission testing services help identify issues early and keep vehicles compliant and efficient.

Clean Truck Check: CARB Compliance Made Easy for 2025

California is working toward a healthier environment, and the Clean Truck Check Program is designed to make emissions compliance straightforward for owners of heavy-duty vehicles. With stricter CARB regulations taking effect in 2025, Golden State Emissions helps vehicle owners understand requirements, stay compliant, avoid fines, and support cleaner air.

Preparing in advance for the Clean Truck Check helps prevent penalties and ensures your vehicles meet California’s emissions standards on time.

Man holding tablet near truck chassis

What's Included

Golden State Emission Testing provides comprehensive mobile Clean Truck Check services, including:

  • On-site emissions testing at your location.
  • OBD diagnostics, when applicable.
  • Emissions control system verification.
  • Accurate reporting and submission to CARB.

All testing is performed by CARB-credentialed, certified testers following state-approved procedures.

Vehicle Eligibility

The Clean Truck Check Program applies to heavy-duty vehicles with a GVWR over 14,000 pounds, including:

  • Diesel trucks and buses.
  • Gasoline and alternative fuel vehicles.
  • Fleet and single-vehicle testing.
  • In-state and out-of-state vehicles operating in California.

Common vehicle types include delivery trucks, construction vehicles, buses, motorhomes, and other heavy-duty commercial vehicles.

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Truck inspection by worker in safety vest.

Why Mobile Testing

Our mobile testing service is designed to reduce disruption and keep your vehicles operational.

  • Reduced downtime for drivers and fleets.
  • No travel to testing centers.
  • Ideal for fleets, job sites, and owner-operators.
  • Flexible scheduling to work around your operations.

Mobile testing ensures compliance without unnecessary delays.

Clean Truck Check Requirements for 2025 (Service Context)

To remain compliant in 2025, vehicle owners must meet the following CARB requirements:

Who Must Comply

  • Vehicles with a GVWR over 14,000 pounds.
  • Applies to trucks, buses, motorhomes, and other heavy-duty vehicles.
  • Includes both California-registered and out-of-state vehicles.

Emissions Testing

  • Annual emissions testing performed by certified testers.
  • Tests must be completed before compliance deadlines.

Compliance Fee

  • Annual CARB compliance fee, starting at $31.18 per vehicle.

Record Submission

  • Passing test results and compliance records must be submitted to CARB on time.

Preparing Your Vehicle for Testing

CARB Enforcement & Compliance Verification

Testing & Compliance Process

Compliance Deadlines & Scheduling

Fees & Cost Management

Service Areas

On-Site Flexibility

Our Unmatched Inspection Commitment

We deliver reliable, on-site emissions testing for trucks and fleets, helping you meet compliance standards and avoid costly setbacks—get your custom estimate now.
 
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