Latest Automotive X Prize entry: a 1987 Ford Mustang – The Progressive Automotive X Prize, modeled after the competition that brought privately built craft into space a few years ago, offers $10 million to anyone who can build a road-ready 100 MPG car. While all sorts of high-tech entries are in the works, one Ohio man claims he's gotten his 20-year-old Ford up to 110 MPG with electronic tweaks to the engine. read more...

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