The Truth Behind the 230 MPG Claim From the Chevy Volt: Analysis

Chevy has announced that the Volt will deliver an estimated 230 mpg. Other plug-in-hybrid manufacturers won't be long in announcing similarly astonishing fuel-economy numbers. But where on earth does that number come from?

Source: http://feeds.popularmechanics.com/~r/pm/blogs/automotive_news/~3/YtvdV1ib4XQ/4327715.html

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