NEW SCIENTIST: Use waste rather than crops for biofuels, says UK report

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“We have to ensure that wastes are actually genuine wastes, and not diverted from some other use,” says Adisa Azapagic of the University of Manchester, who chaired the Royal Academy of Engineering group that produced the review.

 

In the long term, the best way to reduce emissions is to switch to electric vehicles powered by renewable energy sources, Azapagic and her colleagues told journalists. But for heavy goods vehicles, ships and aircraft it will be hard to find alternatives to liquid fuels, so biofuels may be needed for decades to come.