Switchgrass (IMAGE) DOE/Oak Ridge National Laboratory Caption As part of the Bioenergy Study Tour hosted by the Department of Energy's Bioenergy Technologies Office and Oak Ridge National Laboratory, participants will visit switchgrass fields and facilities in East Tennessee. Credit ORNL 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.