Thats just what GM announced today with its Volt electric car which is a combination of electric motor and battery pack, rechargeable with a standard home outlet, as well as a small internal combustion engine. What number did they present to the public? How about 230 mpg! This, if confirmed by the EPA, would blow the Toyota Prius out of the water by over 5 times. If EPA results confirm this 3 digit fuel efficient vehicle and GM can promise on its delivery then there may be many new customers re-evaluating the American auto maker. Gm better ramp up on production if these numbers hold true, because the Chevrolet Volt will be the new icon of going Green!