The H2Rescue truck, developed by Cummins Accelera in collaboration with the U.S. Department of Energy and Department of Defense, recently achieved a groundbreaking feat by setting a new Guinness World Record for the longest distance traveled on a single tank of hydrogen. The impressive journey covered 1,806 miles in California, showcasing the capabilities of hydrogen-powered vehicles in clean transportation. The truck, weighing 33,000 pounds, is equipped with a Cummins Accelera fuel cell engine and a 250-kilowatt traction motor, consuming 370 pounds of hydrogen during the record-breaking run. Notably, the truck emitted only water vapor, emphasizing the environmental benefits of hydrogen fuel cell technology. By utilizing hydrogen instead of gasoline, the H2Rescue truck saved 664 pounds of carbon dioxide emissions, highlighting its potential in reducing greenhouse gases and combating climate change. Beyond its record-breaking performance, the H2Rescue truck is designed for real-world emergency response scenarios, providing 25 kilowatts of power for up to 72 hours without refueling. This innovative vehicle, while producing a gallon of water per hour as a byproduct, offers a practical solution for emergency situations with limited resources. The Department of Energy estimates that adopting hydrogen-powered trucks like the H2Rescue in emergency response applications could lead to significant reductions in greenhouse gas emissions, demonstrating the promising future of hydrogen fuel cell technology in heavy-duty transportation. With the success of the H2Rescue truck, it becomes evident that hydrogen-powered vehicles are paving the way for cleaner and more efficient transportation, offering a sustainable alternative in sectors that are challenging to decarbonize.