Next Step in Biofuel, Spartan Corn III (IMAGE) Michigan State University Caption The graphic illustrates the process in which corn is genetically modified to produce an enzyme that unlocks the sugars bound in plant leaves and stalks to make them available for ethanol production. Credit Gordon Shetler Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.