
Enzymes locked away in the stomachs of cows might help us manufacture biofuels more quickly and cheaply. That's according to a new paper in Science, published online today.
I spoke to Dr. Eddy Rubin, one of the authors of the study and director of the U.S. Department of Energy's Joint Genome Institute. He explained that burning biofuel -- fuel made from plant material -- can be, gallon per gallon, up to 10 times less polluting than fossil fuel.
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