Washington, D.C. – The U.S. Environmental Protection Agency (EPA) has introduced a new and improved model for estimating air pollution from cars, trucks and other on-road mobile sources.

The agency released an updated version of the Motor Vehicle Emission Simulator (MOVES) model, called MOVES2010, which can also calculate the emissions reduction benefits from a range of control strategies, such as inspection and maintenance programs, and local fuel standards. The model replaces the EPA’s MOBILE6.2 model.

Under the Clean Air Act, the EPA is required to regularly update the way it calculates mobile source emissions.

For the first time, the model can estimate emissions on a range of scales, from national emissions impacts down to the effects of individual transportation projects. Another improvement is the ability to express output as either total mass (in tons, pounds, kilograms or grams) or as emissions factors (grams-per-mile and, in some cases, grams-per-vehicle).

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