a California Diesel Compliance company

Statewide. Certified. Insured

CONTACT US: 866-519-2850


 NEW EMISSIONS REGULATION  Beginning 2024 

​The Clean Truck Check requires an emissions test for all  diesels vehicles over 14,000 GVWR.

OBD reading is required for vehicles 2013 and newer.  Smoke Opacity Test is required for vehicles 2012 and older.

The test must be completed by your vehicles registration due date and can be submitted up to 90 days prior. 

The test will repeat every 6 months after the initial annual test.

EXEMPT VEHICLES INCLUDE:

Zero Emission

Military Tactical
Authorized Emergency
Motorhome registered outside of California
Gasoline