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Alternative Fuels In The National Parks To help improve air quality, decrease noise, preserve natural resources, and enhance the visitor experience, NPS is using alternative fuels to power park vehicles and alternative transportation systems (ATS) at many NPS units. Alternative fuels are clean-burning fuels that can power motor vehicles, buses, boats, and trams. Alternative fuel vehicles tend to be more efficient than gasoline or diesel vehicles and they emit nearly 90 percent fewer toxins and ozone-forming hydrocarbons. Download Fact Sheet | PDF Format | 137Kb
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