“Bioethanol – ethanol derived from the fermentation of crops such as maize or sugar – is becoming increasingly available as a ‘green’ and sustainable alternative to gasoline. It is often sold at the fuel pumps as E85 – an 85:15 mixture of ethanol and gasoline. Now, however, Mark Jacobson of Stanford University is calling into question the environmental credentials of fuels consisting mainly of bioethanol. The Stanford scientist ran computer models of the impacts on atmospheric pollution and human health of vehicles running exclusively on an ethanol mixture and concluded that the number of respiratory-related deaths and illness would increase.”
Related results from studies in Brazil, where ethanol has been used extensively as automobile fuel for over ten years, are discussed here.
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January 12, 2008 at 11:06 am
Great news! you article was accepted for our Natural Science Carnival! Visit the Carnival here and don’t forget to comment, link back, spread the word!
January 12, 2008 at 12:14 pm
Thanks! Jim