BESC Poplar (IMAGE) DOE/Oak Ridge National Laboratory Caption Scientists from the Department of Energy’s BioEnergy Research Center are testing core samples from poplar trees to identify key characteristics that influence how the plants can be more effectively processed into biofuels. Credit Oak Ridge National Laboratory 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.