Sorghum (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Sorghum, shown here at the Agronomy Field Headquarters in Davis, California, is a common bioenergy crop and was used in this study. Credit Marilyn Sargent /Berkeley Lab 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.