In what seems to be a slap in the face towards fossil fuels, the Exige 270E Tri-fuel sports car runs on three things: chocolate, cheese, and wine. As catchy as that is, it's actually a somewhat deceptive marketing ploy. This sexy looking car designed by Lotus Engineering actually runs on ethanol, technically, but it derives that ethanol from the aforementioned products and can use that ethanol to go from 0-60 in under 4 seconds.
So it runs on chocolate, cheese, and wine in the same way that your normal car runs on dead dinosaurs. Still, it makes for an interesting angle on ethanol and the myriad ways to produce it that don't involve, you know, boring into the earth and robbing her of both her innocence and natural beauty. In regard to these three products, ethanol is typically made from whey, from the cheese-making process; surplus chocolate (as if); and low-grade wine. Still, I prefer to use those things to fuel my body, but maybe that's just me.