First off, James Conca, the author of this post claims 30+ years researching the field so he must have some insight into this. He sites an IPCC report that says: So, go to the link to the report and decide for yourself @ http://www.forbes.com/sites/jamesco...77355565775300&fb_action_types=news.publishes Me? I've long believed that we need to find another source for biofuels other than corn. Millions depend upon it for their daily subsistence and we Americans have little idea of just how important it is to the foods we take in daily. And from Al Jazeera America comes this: Study: Fuel from Corn Waste Worse than Gasoline @ http://america.aljazeera.com/articles/2014/4/21/study-doubts-biofuelsclimatebenefits.html