The greenest car on the planet is being developed by a British inventor- which runs on nothing but cold air. Peter Dearman's rusty, 25-year-old Vauxhall Nova, has no gas, no batteries. It has a beer keg in the messy trunk. Pipes run through the middle of the car, which is littered with wrenches and loose bolts. Under the hood, a red, plastic garbage can holds anti-freeze that spills over the sides and a piece of wood holds, well, everything else together, ...
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