12 cities for liquefied petroleum gas cars
Although the common name for liquefied petroleum gas, or LPG, is propane, it isn't used just for firing up your barbecue grill. It's a fuel source for 350,000 light- and medium-duty vehicles in the U.S., the Energy Information Administration says. There are 2,735 LPG fueling stations in the U.S., making it the second-most popular type of alternative fuel.
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