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Apr 5, 2006

Mobile Source Emissions - USA - Past, Present, and Future

USA -Enviromental Protection Agency Home -5 April 2006: -- What are Mobile Sources? "Mobile sources" is a term used to describe a wide variety of vehicles, engines, and equipment that generate air pollution and that move, or can be moved, from place to place... "On-road," or highway, sources include vehicles used on roads for transportation of passengers or freight. This category of mobile sources includes light-duty vehicles, light-duty trucks, heavy-duty vehicles, and motorcycles, used for transportation on the road. On-road vehicles may be fueled with gasoline, diesel fuel, or alternative fuels such as alcohol or natural gas... Heavy-duty vehicles: Vehicles of 8,501 pounds Gross Vehicle Weight and higher that are equipped with heavy-duty engines. Examples of heavy-duty vehicles include large pick-ups, buses, delivery trucks, recreational vehicles (RVs), and semi trucks...

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