Every Truck Has to Smog Check Annually in California. Smoke Checks in California are required now for all trucks over 6000lb. Due to the importance regarding California inferior air quality, the government has implemented multiple organizations and agencies such as the Environmental Protection Agency, the California Air Resources Board, and the Bureau of Automotive Repair. Continue reading Diesel Smog Check. http://www.dieselemissionstechnician.com/diesel-emissions/diesel-smog-check/
