Author Archives: dotinspectionrepairservices_dev

Any diesel vehicle that is operated in California, part of a fleet of two or more vehicles, and either greater than 6,000 pounds GVWR with an engine more than four years old.

The PSIP program requires that diesel and bus fleet owners conduct annual smoke opacity inspections of their vehicles and repair those with excessive smoke emissions to ensure compliance. Read More

If you’re operating a fleet of diesel vehicles in California, compliance with the California Air Resource Board’s (CARB’s) Periodic Smoke Inspection Program (PSIP) is the law.