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A Car That Runs On Nothing But Cold Air
Electric cars, for example, use batteries that use use rare minerals and the electricity that runs them has to come from a non-green source. But what large organizations have not managed to do a simple inventor with limited resources has pulled off.
Peter Dearman is a U.K based inventor who has developed a car that uses the same principles to achieve locomotion as a steam engine. While steam engines use water vapour to drive the turbine, Dearman's engine employs air.
The vehicle used by Dearman is an old rundown Vauxhall Nova whose engine bay holds a beer keg containing liquid air. Air turns liquid at -190 degree celsius and this state is maintained in the insulated keg. Pipes feed the liquid air to the engine, but enroute to the engine the pipes come in contact with antifreeze, which immediately turns the liquid air into gaseous air. This rapidly expanding gaseous air then drives the piston.
The car has a range of about 5 km and achieves a top speed of 48 km/h. The 61 year old's invention has now caught the attention of Ricardo, a company which helps automakers like McLaren develop their engines, which will now develop a state of the art engine based on Peter Dearman's design and give it a proper body.
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