University students develop model that runs on oxygen.
Larger, with more doors and a more powerful engine, the 2015 Mini Cooper S, in 4-Door trim, broadens its appeal while retaining its unique looks -- but tread carefully on the option sheet as the price can get very high.
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XCAR takes a break from high-end sports cars to test drive the Crazy Cart, an electric go-kart with a handbrake-style handle that lets you unlock your inner Ken Block and drift to your heart's content.
If you like go-kart games, you're sure to like Shrek Kart. But if you're expecting to hear the voices of your favorite Shrek characters, you're sure to be disappointed.