Chocolate-powered F3 car design

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Warwick University designers have developed a racing car made from vegetables and powered by chocolate oil

University designers have come up with a Formula Three model racing car which is powered by chocolate oils.

They said the body work was made from potatoes, the steering wheel from carrot fibres and the seat from soybean foam.

Dr Kerry Kirwan, of Warwick University, said the aim was to design something "fun, fast and exciting".

The car would be banned from competing in championships because of its fuel, made up of oils found in chocolate.

But Dr Kirwan, of the university's International Automotive Research Centre, said it would deliver the same performance as a racing car made from more standard materials.

He said he hoped the design would make the sport and the wider motor industry re-think their use of green technology and fuels.