Competition shows off super fuel efficient automobiles

Published 09/20 2010 08:20AM

Updated 10/03 2014 06:15AM

Three teams recently won a combined $10 million prize in the U.S. competition to build a new generation of super fuel efficient cars. The winners all exceeded 100 miles per gallon or the energy equivalent. The cars were unveiled to the public at an awards ceremony in Washington. This is a glimpse of what the future may look like:

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