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Old 08-13-2009, 02:41 PM   #22 (permalink)
cfg83
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Hello -

GM claims to be using an "early version" of the EPA Standard :

Chevrolet Volt should get 230 mpg in city, GM says -- latimes.com
Quote:
The automaker's fuel economy estimate hasn't been confirmed by the EPA, which is developing a new methodology for calculating fuel economy ratings for cars that can travel significant distances powered only by electricity. GM said it used the EPA's preliminary guidelines in developing its mileage estimates for the Volt.
The EPA publishes mileage estimates for vehicles sold in the U.S. based on city and highway driving, as well as a combined city-highway mileage estimate.
GM said it had calculated a highway mileage estimate for the Volt but didn't release the figure. The automaker said it was confident the car's combined city-highway fuel economy "will be in the triple digits."
When the EPA finalizes it's standard, I'll bet the MPG will be much lower, but still in the triple digits.

CarloSW2
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