Improving Ethanol Production (IMAGE) Iowa State University Caption Ted Heindel will use Iowa State's X-ray flow visualization facility to observe and measure the action inside a fluidized bed where biomass can be converted into flammable gases. Credit Photo by Bob Elbert/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.