"Is ethanol a theoretical idea that people write research papers about, or, has it already been bought by Shell?" That is the question that plagues people's minds when they think of new technology, especially when that technology might be able to replace oil. Iogen, SunOpta and Greenfield Ethanol, two of which have been mentioned before, are the people making ethanol today. Iogen was the first to sell cellulosic ethanol in April, 2004 (Cellulosic Ethanol, 2007), while SunOpta is the largest cellulose ethanol producing entity in Canada.
