Statewide enforcement campaign to focus on compliance and education SACRAMENTO – August may be the dog days of summer, but in California it’s also Gear Up for Clean Truck Month, with the Air Resources Board launching a multi-agency campaign to make sure that trucks traversing the state’s highways are in compliance with state air pollution Read More ››

Washington, D.C. – Sales of diesel particulate filters (DPFs) for in-use, on-road heavy-duty diesel vehicles operating in California continue at a slow pace, according to the results of a survey released today by the Manufacturers of Emission Controls Association (MECA). According to the results, the total number of verified DPFs sold by MECA member companies Read More ››