Producing fuel from corn and other crops could be good for the planet–if only the process didn't take a significant environmental toll. New breakthroughs could make a difference.
The National Geographic Magazine, October 2007 Coverpage is dedicated for BioFuel.
Read the full article:
http://magma.nationalgeographic.com/ngm/2007-10/tableofcontents.html?fs=www7.nationalgeographic.com
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