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Rail Transit Expo News: Recently, Swiss rail transit manufacturer Stadler and ARST, a public transport operator in Sardinia, Italy, officially launched the world's first hydrogen-powered train specifically designed for narrow-gauge railways in Erlen, Switzerland. The debut of this innovative model marks an important step forward for hydrogen technology in regional railway transportation and provides a brand-new solution for the low-carbon transformation of non-electrified railway lines.
According to the plan, the 10 hydrogen-powered trains previously ordered by ARST will be operational in 2028, serving Sardinia's narrow-gauge rail network. The train will mainly operate between Alghero Airport and Mamuntanas, as well as rail lines connecting Sassari Province, Alghero City, and Sorso.
Barbara Manca, Minister of Transport of the Sardinia Region, stated that the launch of the first narrow-gauge hydrogen train has made Sardinia an important testing ground for innovation in transportation technology.
She pointed out that hydrogen energy trains specially developed for the characteristics of local narrow-gauge railways not only provide innovative solutions for regional transportation development but will also have a positive impact on environmental protection, local economic growth, and the cultivation of related technical talent.
The core power system of the new train uses hydrogen fuel cell technology.
The related equipment is integrated into the train's central power module, converting hydrogen into electricity through hydrogen fuel cells and charging the onboard battery, thereby supplying the power needed for train operation.
This solution allows trains to operate without relying on catenary power supply, making them especially suitable for regional railway lines that have not yet been electrified.
Notably, all the hydrogen required for the project will be produced entirely through solar power generation, achieving zero emissions throughout the entire chain from energy production to railway operations. Currently, related hydrogen production facilities are under construction.
Due to special technical requirements such as axle load restrictions on Italy's narrow-gauge railway infrastructure, the new models adopt lightweight designs to meet the operational needs of related lines.
The train interior features spacious and bright passenger compartments and large panoramic windows, providing passengers with a more comfortable travel experience. At the same time, compared to traditional diesel trains, the new trains operate with lower operating noise.
The vehicle features a low-floor design, making it easy for people with mobility difficulties to get in and out. The cab is equipped with independent entrances and air conditioning systems to improve the driver's working environment.
Before officially entering service, the train will undergo comprehensive testing and certification in accordance with the relevant standards of the Italian National Authority for Railways, Roads and Highways (ANSFISA).
According to Stadler's estimates, once all 10 hydrogen-powered trains are put into operation, they can reduce annual CO2 emissions by more than 2,100 tons compared to existing diesel trains.
Maurizio Oberti, Stadler's Sales Director for the Italian market, stated that the new train fully demonstrates the combination of technological innovation and green development.
"This project sets a new benchmark for sustainable development in Italy's regional rail transport and reflects Stadler's long-term commitment to jointly promoting green transport development with the Sardinia region."
Industry insiders believe that with the advancement of the Sardinia project, Italy is expected to become an important demonstration region for narrow-gauge hydrogen rail applications in Europe, providing replicable development experience for the future green transformation of regional railways.
