Last update: 09.07.2011
Study: Biofuels could be less green than fossil fuels
Source : tgdaily.com
Biofuels may not be the greenest option for airlines after all, says MIT, and can sometimes result in higher greenhouse gas emissions than traditional fossil fuels. In 2008, Virgin Atlantic became the first commercial airline to fly a plane on a blend of biofuel and petroleum, with several others carrying out test flights. But according to the MIT team, they may be making a mistake, as a biofuel's origins can mean that it's not the greenest choice after all. "What we found was that technologies that look very promising could also result in high emissions, if done improperly", says James Hileman, principal research engineer in the Department of Aeronautics and Astronautics. "You can't simply say a biofuel is good or bad - it depends on how it's produced and processed, and that's part of the debate that hasn't been brought forward."
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11 May 2011 |
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