norcalcleantruckcheck

At NorCal Clean Truck Check, we specialize in providing Mobile Clean Truck Check and Diesel Smog Check services across Northern California. Our mission is to help fleet operators, owner-operators, and businesses stay compliant with California’s Clean Truck Check (CTC) regulations — without the hassle. We bring certified Clean Truck Check Testers directly to your location, saving you time and minimizing downtime. Our fully equipped mobile units perform Diesel Opacity Tests, Periodic Check Services, and full Diesel Emissions Inspections in accordance with CARB guidelines. Whether you're managing a large fleet or a single truck, we ensure your vehicles meet state emissions standards quickly and efficiently. Count on NorCal Clean Truck Check for reliable, on-site service, transparent pricing, and expert guidance every step of the way.