Genecor launched the FERMGEN enzyme on June 19th that will help improve ethanol yields from corn. It helps break down some of the tougher starches to improve yeilds.

http://www.genencor.com/wt/gcor/pr_1150717658

Another good company is Iogen out of Ottawa Canada. They are leading the cellulose ethanol research right now and have a test cellulose plant in operation.

http://www.iogen.ca/index.html

Please share your thoughts