Renewed Push for Ethanol, Without Corn
Cellulosic ethanol is supposed to be the saviour for those who feel that feedstock such as corn are hopeless in the long run. But no company has yet been able to produce ethanol from cellulose in mass quantities that are priced competitively with corn-based ethanol, says this article.
According to a professional who was a senior member of the US Govt's energy efficiency & renewable energy program in the 90s, “Producing cellulosic ethanol is clearly more difficult than we thought in the 1990s.”
So why has no one figured out a way to make ethanol from materials like the sugar cane wastes? In fact, engineers at several companies have done that — but only at the lab level, continues this report.
Read the full report from here @ Petroleum World, 28 Apr 2007