The US Department of Energy, in collaboration with Cummins Accelera, has unveiled a groundbreaking prototype hydrogen-fueled truck named H2Rescue, which recently set a world record for its remarkable performance. This clean-burning hauler traveled an impressive 1,806 miles on just one tank filled with 175 kg of hydrogen, emitting only water vapor throughout its journey. Developed for emergency responses, the H2Rescue truck can power operations for 72 hours, providing clean energy without the need for frequent refueling. The truck's deployment in disaster zones can significantly reduce carbon emissions and fuel consumption compared to traditional gasoline-fueled vehicles. It has the capacity to generate power equivalent to 2025 FEMA trailers without the noise and pollution associated with conventional generators. Additionally, the innovative truck produces a gallon of water per hour from its exhaust, offering a unique environmental benefit. The US DOE estimates that replacing standard emergency response vehicles with H2Rescue trucks could result in annual savings of 1,825 gallons of gasoline and a reduction of 2.5 metric tons of greenhouse gas emissions. This achievement highlights the potential of hydrogen fuel cell technology in advancing sustainability and efficiency in emergency services, marking a significant step towards a cleaner and greener future.