That biofuel may not be as green as you think it is

That biofuel may not be as green as you think it is
While nearly all crop-derived biofuels emit less greenhouse gases than fossil fuels, whether or not they are better for the environment is still open for debate. Some studies have suggested that corn-derived ethanol consumes more energy than it produces, others have found a slight net benefit; most studies have found that crops such as switch grassThat biofuel may not be as green as you think it is
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