Smoke Inspection Programs
The Heavy-Duty Vehicle Inspection Program (HDVIP) and Periodic Smoke Inspection Program (PSIP) are CARB's existing heavy-duty vehicle inspection programs for in-use trucks and buses.
More about this program
Email Updates
Keep up to date with the latest information regarding the Smoke Inspection Programs.
Clean version
Version with strike-outs and underlines
CCDET
Learn about vehicle / smoke inspection