The H2Rescue truck, a hydrogen-powered vehicle developed by Cummins Accelera in collaboration with the U.S. Department of Energy and Department of Defense, recently achieved a new world record by traveling an impressive 1,806 miles on a single tank of hydrogen. This record-setting journey took place in California, where the truck carried 386 pounds of hydrogen fuel and emitted only water vapor. The vehicle's performance was closely monitored by a Guinness World Records adjudicator to ensure the integrity of the test. The H2Rescue truck is powered by a Cummins Accelera fuel cell engine and a 250-kilowatt traction motor, showcasing the efficiency of hydrogen fuel cell technology. By using hydrogen instead of gasoline, the truck saved 664 pounds of carbon dioxide emissions compared to a conventional truck covering the same distance. In addition to its impressive range capabilities, the H2Rescue truck is designed for real-world emergency response scenarios, providing power for up to 72 hours without refueling and producing water as a byproduct. The Department of Energy estimates that replacing traditional emergency response vehicles with hydrogen-powered trucks like the H2Rescue could lead to significant fuel savings and reductions in greenhouse gas emissions. The success of the H2Rescue truck highlights the potential of hydrogen fuel cell technology in heavy-duty transportation and emergency response applications, paving the way for cleaner and more sustainable transportation solutions.