If you're planning a summer vacation to a U.S. national park this summer, you may start to see a few changes when you get there.
The U.S. Department of Energy's (DOE) Clean Cities program and the National Park Service (NPS) recently announced nine new projects to deploy green vehicles within nine of the 13 national parks.
The nine parks--stretching from Maine's Acadia National Park to Utah's Zion National Park--will replace conventional internal-combustion vehicles with low- and zero-emission alternatives, including propane-powered trucks and vans, low-speed electric vehicles, and plug-in hybrids.
It is estimated that if just 25 per cent of the average seven million annual visitors to the 13 national parks reduced their idle time by five minutes, it would save 192,000 gallons of gasoline and cut 2,000 tonnes of greenhouse-gas emissions per year.
Meanwhile, those visitors that choose to tour a national park in electric cars have issues beside traffic to deal with.
Electric-car charging stations are limited in the parks, and without stations on the roads that lead to the parks themselves, a long-distance return trip may not be possible if the charging stations are fully occupied.
Source: Green Car Reports
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