3 Months Ago, Lyle from GM says (in GM Still Claims Volt Will Get 40 All Electric Miles Both Highway and City, But Under What Conditions?) When GM announced the Chevy Volt should be rated at 230 MPG in city driving, they also divulged another efficiency rating. Pure electric cars are generally rated in terms of kwh per 100 miles to show...
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And Sebastian Blanco from AutoblogGreen says (in Chevy Volt gets 230 mpg, but how?) Under the new methodology being developed, EPA weights plug-in electric vehicles as traveling more city miles than highway miles on only electricity. The EPA methodology uses kilowatt hours per 100 miles traveled to define the electrical efficiency of plug-ins. Applying EPA's method...

And Lyle from GM says (in Chevy Volt Gets 230 MPG City EPA Rating) GM CEO Fritz Henderson announced today that the Chevrolet Volt extended range electric car has been given an official EPA rating of more than 230 MPG city and a combined city/highway average fuel...
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