Biofuels have long been touted as a potential tool in the fight against carbon emissions. However, a new study published this week suggests that America's reliance on corn-based ethanol fuel could actually be doing more harm than good, reports Reuters.Published in the Proceedings of the National Academy of Sciences, the study's findings are a stark contrast to established thought on the value of biofuels. The study, which you can read here, aimed to assess the environmental outcomes of the US Renewable Fuel Standard (RFS). It's an important government program, which concerns almost half of all biofuel production worldwide, as the US is the world's largest consumer of biofuels. The RFS requires that 36 billion gallons of renewable fuel is blended into transportation fuels in 2022, and that all renewable fuels in the program emit less greenhouse gas than their traditional fossil fuel counterparts.
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