The current CAFE standard for cars is 27.5 miles per gallon (mpg), and has not changed since 1986. The current CAFE standard for light trucks -- including SUVs -- is 20.7 mpg. This standard has been in place since 1996. But then why do some SUVs get significantly less than 20.7 miles per gallon? CAFE is an average standard applied on a fleet-wide basis for each manufacturer...
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So, for example, the fuel economy ratings for a manufacturer's entire line of light trucks must average at least 20.7 mpg for the manufacturer to comply with the standard. (Frontline: Before you buy an SUV) The most fuel efficient SUV is the Toyota RAV4 will get 25mpg in city and 31 on the highway. The less fuel efficient are Land Rover Range Rover, Cadillac Escalade, and GMC K1500 Yukon Denali all get 12 mpg in the city and 15 mpg on the highway...
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