Optimizing Hydrogen-Powered Passenger Ferries (IMAGE) DOE/Sandia National Laboratories Caption Sandia National Laboratories engineers Joe Pratt, left, and Myra Blaylock discuss recent modeling results that can inform accurate regulations for using hydrogen fuel on-board ships. Credit Randy Wong 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.