http://www.youtube.com/watch?v=wsUZ4EtEHVs
The video was made to convince farmers to collect crop leftovers.
In their analysis of cellulosic ethanol made from crop residues such as corn stover [cob, leaves, stalks] using a biochemical process like we’re employing for Project LIBERTY, the greenhouse gas (GHG) reduction is 130 percent in comparison to gasoline. In other words, driving your car with POET’s cellulosic ethanol actually takes carbon out of the atmosphere.