Energy Materials (IMAGE) University of Wisconsin-Madison Caption A row of fuel cells (in the foreground) power an eBay data center near Salt Lake City. Similar fuel cells could be more efficient -- and commonplace -- incorporating new materials in development by UW-Madison engineers. Credit Photo courtesy Bloom Energy 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.