Parans Image (IMAGE) DOE/Oak Ridge National Laboratory Caption Instead of ending up in landfills, old tires can supply a key ingredient for supercapacitors to help power the nation. Credit ORNL 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.