ORNL, Caterpillar marine engine (IMAGE) DOE/Oak Ridge National Laboratory Caption The Oak Ridge National Laboratory and Caterpillar Inc. collaboration focuses on a four-stroke internal combustion marine engine that will be modified to run on methanol at the Department of Energy’s National Transportation Research Center. The research supports efforts to decarbonize the marine industry by using alternative fuel sources Credit Genevieve Martin, 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.