CARB Testing Blog
News, compliance tips, and deadline alerts for California fleet operators and truck owners.
June 2026
What Is the CARB Clean Truck Check?
Everything you need to know about California's Clean Truck Check program — OBD vs OVI testing, who needs it, and how to stay compliant.
Read more →June 2026
How Mobile CARB Testing Works
Walk through the mobile testing process from booking to paperwork. No waiting rooms — we test your trucks on-site at your yard.
Read more →June 2026
2026 CARB Testing Deadlines for Fleet Operators
Key compliance dates fleet operators need to know for 2026, including twice-yearly testing requirements and penalty thresholds.
Read more →Need your trucks tested?
Book mobile Clean Truck Check testing anywhere in Northern California. Same-week and Saturday appointments available.