<i>E. coli</I> Making Fuel (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Once E. coli have secreted oil, they sequester themselves from the droplets as shown by this optical image, thereby facilitating oil recovery. Credit Image by Eric Steen, JBEI 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.