DISCOVER Magazine - Top 100 Stories of 2010: X PRIZE Gets 100 MPG Car

Building a car that gets more than 100 miles per gallon does not require wild new technology, judging from the results of the Progressive Insurance Automotive X Prize. The $5 million top prize—awarded in September to the highest-mileage four-passenger car that could top 100 mpg while passing a series of safety and other tests—went to the descriptively named Very Light Car, an automobile powered by a conventional internal combustion engine.

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