Super fuels Imagine growing fuel on trees or getting it from rubbish. Imagine cars that run on air or produce water, not pollution! All around the world, people are making surprising new fuels. Biogas Biogas is made from plants or natural waste by living things called bacteria. They break the waste down and produce gases like methane and carbon monoxide. In most places, the gases pollute the air, but at Bandeirantes near Sao Paulo in Brazil, pipes take the gas from under the ground. The gas is burnt at a power station to produce electricity for 400,000 people