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5 August 2010, 12:14 | Updated: 5 August 2010, 12:28
Could the cars of the future be powered by poo?
Experts in the West Country have come up with a way of turning gas produced by waste at a sewage plant into fuel for a bio-car.
A trial has begun using gas produced at the Wessex Water treatment plant in Avonmouth, Bristol.
Mohammed Saddiq, is from GENeco, who are behind the project, he told Heart why it is such a good idea: