ScienceDaily: Whether you have taken a side or a backseat in the discussion, the "food versus fuel" debate affects us all. Some say growing more biofuel crops today will decrease greenhouse gas emissions, but will make it harder to produce food tomorrow, which has prevented the U.S. from maximizing the potential of environmentally beneficial biofuels. In a recent article, published by the National Academy of Engineering, University of Illinois' Gutgsell Endowed Chair of Plant Biology and Crop Sciences Steve Long...