SampleWweighed (IMAGE) DOE/Oak Ridge National Laboratory Caption Zhenglong Li, an ORNL scientist, weighs a sample of jet fuel that was converted from ethanol using a process he invented that has been licensed by Prometheus Fuels. Credit Carlos Jones/ORNL, U.S. Dept. of Energy 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.