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Last Updated: Wednesday, 27 October, 2004, 18:20 GMT 19:20 UK
Scientists test chip fat 'fuel'
A pile of chips
It is hoped the chip fat fuel will reduce vehicle running costs
Scientists at a Bristol university hope to use second hand chip fat to run a fleet of vehicles.

The University of West of England (UWE) researchers are looking at ways used cooking oils can be turned into fuel.

Doctors Stuart Shales and Alan Scragg have been experimenting with bio-diesel, a fuel made by filtering oils.

"With the prospect of raw materials eventually becoming scarcer we will all need to move towards conserving fuel," Dr Shales said.

"One way of doing this is to produce oil by growing crops like rapeseed and blending this with used cooking oil to produce blended diesel."

The duty payable on bio-diesel is 20p per litre lower than that charged on ordinary diesel.

Chris Abbott, head of house services at UWE, said: "This project is in its infancy but by no means impossible.

"Ultimately, if we can reduce the cost of running our fleet, these benefits could be passed on to students through a reduction in bus fares or upgrades to current transport."

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