A British inventor,Andy Green, has created in 2006 a car he claims is the world's most fuel efficient - capable of doing 2,861 kilometres to the litre.The car, named "TeamGreen", is 3.1 metres long and a mere 0.6 metres wide, weighing just 30 kilograms.Mr Green's car is powered by a single cylinder four-stroke engine with a capacity of just 35 cc.
