IM Clean Truck Check provides fast, reliable, and CARB-compliant mobile Clean Truck Check inspections across California for semi trucks, diesel fleets, motorhomes, buses, box trucks, and commercial vehicles. We specialize in OBD inspections for 2013+ vehicles and opacity testing for older diesel trucks, helping fleets stay compliant with California Air Resources Board (CARB) regulations. Book inspections online, track vehicle compliance status in real time, receive automated test reminders, and manage your entire fleet from one easy-to-use dashboard. Our certified mobile inspectors serve major trucking hubs including Los Angeles, Fontana, Riverside, Bakersfield, Fresno, Sacramento, Stockton, Tracy, Oakland, Long Beach ports, and surrounding areas. Trusted by owner-operators, fleet managers, logistics companies, and transportation businesses throughout California for fast response times, reliable service, and professional compliance support