Article: Fuels for the future. (alternative energy sources)

Get ready to gear up your vehicles with these new energy alternatives.

Alternative fuels are coming soon to a pump near you. Why? The reasons are twofold. First, the United States consumes far more oil than it can produce domestically, leading to concerns over energy uses and national security. Second, many of the nation's larger cities are caught in the grip of air-quality problems caused by currently used fossil fuels.

In Anchorage and Fairbanks during the winter, for example, carbon-monoxide emissions are considered a "moderate" problem, according to the Environmental Protection Agency (EPA). Consequently, the Clean Air Act of 1990 requires that cities ...

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