Hydrogen-Powered Bus (IMAGE) University of Delaware Caption New findings could help create alternative electrocatalysts for vehicles powered by hydrogen fuel cells, such as this bus at the University of Delaware. Credit University of Delaware 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.