Oakton Community College in Des Plaines (IMAGE) U.S. National Science Foundation Caption Oakton Community College in Des Plaines, Illinois presents their Heat Recovering Silencer project, which would replace a traditional vehicle muffler with a new device that maintains noise reduction while recovering exhaust heat. Credit Bill Petros Photography 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.