They're not as fuel-efficient as you think.
Richard Burr points out in this article from the Weekly Standard that hybrid vehicle technology has a way to go before it lives up to the claims made by its proponents.
Hybrids, which typically claim to get 32 to 60 miles per gallon, ended up delivering an average of 19 miles per gallon less than their EPA ratings under real-world driving conditions (which reflect more stop-and-go traffic and Americans' penchant for heavy accelerating) according to a Consumer Reports investigation in October 2005.
For example, a 2004 Toyota Prius got 35 miles per gallon in city driving, off 42 percent from its EPA rating of 60 mpg. The 2003 Honda Civic averaged 26 mpg, off 46 percent from its advertised 48 mpg. And the Ford Escape small sport utility vehicle managed 22 mpg, falling 33 percent short of its 33 mpg rating.
"City traffic is supposed to be the hybrids' strong suit, but their shortfall amounted to a 40 percent deficit on average," Consumer Reports said.
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