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Plant waste might soon help make flying a little greener. A fuel made from cellulose has such a high energy density that it could make an even better jet fuel than those made from fossil fuels.
Flying produces 2 per cent of global carbon emissions, a figure projected to soar to in excess of 10 per cent by 2050. So numerous groups are working on ways of limiting the emissions generated by flying.
Ning Li of the Dalian Institute of Chemical Physics in China …
source: newscientist.com