The FCH2RAIL project, culminating in the successful testing of the first hydrogen-powered train on the Spanish and Portuguese railway networks, signifies a significant step towards innovative and eco-friendly transportation solutions. The consortium's dedication to developing emission-free fuel cell and battery hybrid technology with a competitive edge against diesel trains is highlighted by the project's completion. With a budget of 14 million euros and contributions from companies like CAF, DLR, Toyota, Renfe, Adif, CNH2, IP, and Stemmann-Technik, the project aimed to provide a sustainable alternative for the decarbonization process in the transportation sector. The final event, coinciding with the RailLive! 2024 congress in Zaragoza, showcased the hydrogen train and featured key discussions on the project's outcomes. Dynamic tests on challenging routes in Spain and Portugal demonstrated the train's reliability and operational efficiency, covering various power demand conditions and climates. Noteworthy milestones included the first test run on the Zaragoza-Canfranc route, where the train's performance on steep ramps proved the technology's reliability. Additionally, crossing into Portugal for further testing enhanced the evaluation of the hydrogen propulsion system's competitiveness. The project's engagement with European standardization committees underscores its contribution to promoting innovation in rail transport. Overall, the FCH2RAIL project's achievements mark a significant advancement in sustainable public transportation and technological innovation, setting a precedent for future developments in clean energy in the railway sector.