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Worried about all the energy that's required to break poplar trees down into usable fuel? Never fear: We'll just stick some fungus genes into that poplar so that the tree can rapidly ferment itself as soon as it's chopped down. A self-fermenting tree can practically turn itself into fuel. That's exactly the kind of gene-hacking being proposed by geneticists at the Department of Energy's Joint Genome Institute in California. Eddy Rubin, director of the Institute, has just published a paper in Nature about how trees can be genetically-engineered to be biofuel-ready. More »
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