| "... researchers at MIT say the industry may want to cool its jets and make sure it has examined biofuels' complete carbon footprint before making an all-out push. They say that when a biofuel's origins are factored in -- for example, taking into account whether the fuel is made from palm oil grown in a clear-cut rainforest -- conventional fossil fuels may sometimes be the "greener" choice. (However, they did not consult me, or even Google "solar airship". I would suggest they do, since we will be there within five years, give or take a few.] |
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At www.sciencedaily.com
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