Separate reports question the carbon reduction and environmental benefits of popular new renewable fuels.Biofuels, recently the darling of farmers and technogeeks alike, have taken quite a beating this week. While the Environmental Protection Agency proudly announced it was raising the required level of non-petroleum vehicle fuel to 7.76 percent, separate research from the Swiss government and the Nature Conservancy says, “Hold on there a second,” these fuels aren’t really so good for the environment.
A study produced by the Swiss government published last week assessed the effects of gasoline, diesel, and natural gas and 26 varieties of biofuels using two criteria: greenhouse gas emissions and overall environmental impact. According to a “Perspectives” paper in the journal Science by J
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