Bio-oil to Advanced Biofuels (IMAGE) Iowa State University Caption Iowa State University researchers are developing hungry, robust microbes that can feed on bio-oil fractions and produce advanced biofuels. Credit Photo by the Bioeconomy Institute/Iowa State University 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.