A new racing car made of vegetables and powered by chocolate will hit speeds of 145 miles per hour when it is launched next month.
Designers hope the environmentally friendly technology used in their car will be adopted by Formula 1 teams such as McLaren and world champions Ferrari.
The car, named ecoF3, has a steering wheel made of carrots, a body made of potatoes and a seat made of soybeans. It uses plant-oil based lubricants and a biodiesel engine capable of running on chocolate and vegetable oil. Vegetable fibres are mixed with resins to produce the car parts and the oils in the chocolate are refined to produce fuel.
It is the first Formula 3 racing car designed and made from sustainable and renewable materials.
The WorldFirst team, from Warwick University, hopes that racing chiefs will change the rules so they can compete in championship races next season.
The engine fails to meet current regulations because of its unusual fuel.
A team spokesman said: "We hope the Formula 1 teams will see that an environmentally friendly car is not necessarily a slow car. We expect our new materials to be used by the Formula 1 cars of the future.
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