The problems of food based biofuels creating hunger are still very much present in inedible source biofuels: The 'fuel crops' will be grown in place of food crops because fuel is vastly more profitable than. Whether or not the crop could be eaten as well is completely beside the point.
I don't think they've 'figured this out' just yet.
Find a crop to grow on the other two thirds of the planets surface, however, and we might be all set (even if we have to give up seafood to have it.)
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The problems of food based biofuels creating hunger are still very much present in inedible source biofuels: The 'fuel crops' will be grown in place of food crops because fuel is vastly more profitable than. Whether or not the crop could be eaten as well is completely beside the point. I don't think they've 'figured this out' just yet. Find a crop to grow on the other two thirds of the planets surface, however, and we might be all set (even if we have to give up seafood to have it.)