Sustainable Power (image) University of Iowa Share Print E-Mail Caption The University of Iowa power plant burns oat hulls for power generation. A new study shows the biomass has environmental and public-health benefits. Credit Tim Schoon, University of Iowa Usage Restrictions None Share Print E-Mail 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.