Great Lakes Bioenergy Research Center The director of the Great Lakes Bioenergy Research Center tells Keith Regan that itÔÇÖs only a matter of time before the key is found to creating transportation biofuels out of grasses and trees. The current crop of biofuels generates more than its share of heated debate. Created from the sugars in corn and soy, the existing version of ethanol puts transportation needs in competition with food supplies.