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AddReport: EPA kills Chevy Volt's 230 mpg rating

2011 Chevrolet Volt in 'Victory Red' – Click above for high-res image gallery

AddEPA still not settled on MPG labels for plug-ins, Volt unlikely to get 230 mpg

Last week at the Society of Automotive Engineers World Congress in Detroit, we spoke with Dr. Pete Savagian of General Motors about what the Chevrolet Volt's fuel economy sticker would look like. Last summer, former GM CEO Fritz Henderson made a big splash when he announced that the Volt was getting approximately 230 miles per gallon combined. However, that number was based on a draft proposal by the EPA for a testing methodology for plug-in vehicles.

AddPosawatz: Volt range-extended mileage to be "better than any conventional car." But what about hybrids?

So, plenty of time has passed since General Motors first made the announcement that its Chevy Volt extended-range electric vehicle would score 230 miles per gallon on the yet-to-be-completed EPA testing procedure for such vehicles. Still, lots of questions remain, such as How many miles per gallon with the Volt achieve after it has traveled the 40 or so miles necessary to deplete its battery pack?

AddEPA backs away from GM claim of 230 mpg for Volt

2011 Chevy Volt - Click above for high-res image gallery

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