Sven Mumme speaks at Stor4Build meeting (IMAGE) DOE/Oak Ridge National Laboratory Caption Sven Mumme, DOE technology manager for opaque envelope and thermal energy storage R&D, introduces industry and other stakeholders to the purpose of the first annual Stor4Build consortium meeting. Credit Alonda Hines/ORNL, U.S. Dept. of Energy Usage Restrictions None License Original 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.