Engines -- Going the Distance (IMAGE) DOE/Oak Ridge National Laboratory Caption A 3-D printing process developed at Oak Ridge National Laboratory repairs and strengthens a Cummins engine without the need to recast parts, which reduces costs and saves energy. Credit Brittany Cramer/Oak Ridge National Laboratory, U.S. Dept. of 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.