1.0 link 159693 http://www.huffingtonpost.com/bob-dinneen/staying-in-the-lead-on-bi_b_159693.html Ever since the beginning of America's ethanol industry over 30 years ago, scientists, chemical engineers, entrepreneurs and policymakers have sought ways to expand production beyond using corn or other grains as ethanol feedstock. To make ethanol requires breaking down starch into sugar. Converting sugar cane, as they do in Brazil, or corn here in the US, to ethanol requires far fewer steps than converting wood chips, corn cobs, switchgrass or other cellulosic substances. The key issue in converting cellulose is...

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