Airbus recently unveiled its groundbreaking ZeroE aircraft, designed to be powered by liquid hydrogen and hydrogen fuel-cell stacks. Despite its retro appearance resembling a 1950s regional airliner, the ZeroE represents a major leap forward in aviation sustainability. The aircraft, revealed at the Airbus Summit on new technologies, boasts a fully electric 100-seat configuration, promising the lowest environmental impact of any propulsion system to date. Airbus's decision to focus on hydrogen fuel-cell stacks for electric engines is set to revolutionize aviation, paving the way for a carbon-free future in commercial flight. The company has already completed a 1.2-megawatt system and plans to enhance its fuel efficiency and energy density further. Airbus has partnered with ElringKlinger to develop the fuel cells and established a testing facility in Grenoble, France, named Breadboard. Moreover, the Airbus Hydrogen Hubs at Airports program aims to establish hydrogen infrastructure globally. With over 220 airports and various industry players on board, the program is crucial for the successful integration of hydrogen technology in aviation. This ambitious project signifies a significant milestone in the aviation industry's quest for emissions-free flight, demonstrating the potential of hydrogen fuel cells to reshape the future of air travel.