
WASHINGTON, Nov. 23 (UPI) -- A law requiring the U.S. government to buy alternative-fuel vehicles has led to greater gas consumption, not less, The Washington Post reported Sunday.
That is because most of the new vehicles are "flex-fuel," able to take either gasoline or ethanol, and most have larger and thirstier engines than the cars and trucks they replaced. Many are in use miles from the nearest supply of ethanol.
As a result, more than 90 percent of the alternative-fuel fleet is running on gasoline.
"This is an example of a law that has had a perversely different effect than what was originally intended,'' said Jim Kliesch, a senior engineer with the Union of Concerned Scientists..
The Postal Service has 37,000 alternative-fuel delivery trucks. As a result, its annual gasoline consumption has increased by 1.5 million gallons.
In 2005, Congress tried to fix the problem with a law that requires waivers for the purchase of alternative-fuel vehicles unless they are based within a 15-minute drive or 5 miles of an alternative-fuel pump.
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