The U.S. Department of Energy’s (DOE’s) Hydrogen and Fuel Cell Technologies Office (HFTO) recently celebrated a major milestone in hydrogen-powered transportation with the successful journey of a prototype H2Rescue truck in California. The truck, funded by DOE and federal partners, traveled a remarkable 1,806 miles on a single fill of hydrogen fuel, showcasing the efficiency and potential of hydrogen technology in heavy-duty vehicles. Equipped with a Cummins Accelera fuel cell engine and a 250-kilowatt traction motor, the H2Rescue truck carried 175 kilograms of hydrogen and consumed 168 kilograms during its record-setting trip. Notably, the truck emitted zero pounds of CO2, highlighting the environmental benefits of hydrogen as a clean energy source. The use of hydrogen in heavy-duty trucks like the H2Rescue can have significant positive impacts, displacing fuel consumption and reducing greenhouse gas emissions. This successful demonstration paves the way for more sustainable transportation solutions, particularly in emergency response, military, and utility applications. The collaborative effort that led to the development and testing of the H2Rescue truck involved Accelera, HFTO, DOE’s Vehicle Technologies Office, the U.S. Department of Homeland Security’s Science and Technology Directorate, the Federal Emergency Management Agency, and the U.S. Department of Defense. The achievement not only sets a new benchmark in hydrogen-powered transportation but also underscores the importance of innovation and partnership in advancing clean energy technologies.