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"Efficient" new fuel may not quite so beneficial

Date: 10/02/2014 12:11:33
Category: Fuel Efficiency
Author: David Howells

A new type of 'green' fuel that is claimed to be more efficient than any other currently on the forecourts may actually increase emissions, a new report has claimed.

The so-called E10 fuel has been touted as a revolution in motoring, as it brings down harmful emissions and is much more sustainable to source.

This is because it contains ten per cent bioethanol, which is a quasi-renewable material which can be made out of corn. Conversely, fuel available at the pumps today is E5 which contains just five per cent bioethanol.

These figures led researchers to claim that E10 would not only be less of a drain on global resources but would also lessen total carbon emissions.

Now, real-world tests appear to have scotched these claims altogether, after it was found that cars use more fuel when filled with E10 than they do with E5. As such, this speedier fuel drain doesn't just negate the benefits of using E10, but could even end up making it less efficient, skynews.com reports.

The test was undertaken by What Car?, which used exactly the same vehicles as those who undertook the official testing initially. It discovered that the Dacia Sandero and Hyundai i30 actually used an average of 10.65 per cent more E10 fuel than E5.

Commenting on the potential roll-out of E10, Philip Monger, of the Petrol Retailers Association, told whatcar.com: "I'd prefer to see it delayed, and I can't see E10 coming right now unless there's a cost advantage to suppliers, and I'm not aware of one.

"Suppliers are currently meeting their RTFO obligations through sales of biodiesel so they have no immediate need of E10."

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