2 (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A snapshot of the conversion process, from woodchips (far left) all the way to purified ethanol. Credit Eric Sundstrom and Carolina Araujo Barcelos/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.