Fuel of the future: petrol extracted from cow dung

Cattle dung may be a new source of petrol, Japanese scientists said yesterday.
Sakae Shibusawa, a professor at Tokyo University of Agriculture and Technology, said his team had extracted petrol from cow dung by applying high pressure and heat.

"The new technology will be a boon for livestock breeders to reduce the burden of disposing of large amounts of waste," Prof Shibusawa said. About 500,000 tonnes of cattle dung are produced each year in Japan, he said.