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Stadler Launches RS ZERO Hydrogen Train at Rail Business Days 2025

Stadler Launches RS ZERO Hydrogen Train at Rail Business Days 2025
photo: RAILTARGET/Stadler RS ZERO
11 / 06 / 2025

Stainless steel, sharp lines, and a fuel source straight out of tomorrow: Stadler’s RS ZERO hydrogen train has officially arrived in Central Europe. Revealed at Rail Business Days in Ostrava, Czech Republic, it’s aiming to transform non-electrified rail with zero emissions and maximum flexibility.

The Central European premiere of the RS ZERO hydrogen train took place during the Rail Business Days 2025 in Ostrava, where Stadler’s leadership introduced the model as the future of emission-free regional rail transport. During the presentation, several key executives addressed the audience. "Decarbonisation is crucial, particularly in European countries," stated Peter Spuhler, Chairman of Stadler’s Board of Directors. He emphasised that Stadler’s goal is to win tenders globally, regardless of market size.

Stadler Eyes Moravian-Silesian Hydrogen Cluster Membership

Spuhler’s remarks were echoed by Zdeněk Majer, Chairman of Stadler Praha's Supervisory Board: "Stadler is a leader in green technology, which is why decarbonisation is a top priority for us." Majer further revealed that Stadler is interested in joining the Moravian-Silesian Hydrogen Cluster, pointing out ongoing discussions with Radek Podstawka, Deputy Governor of the Moravian-Silesian Region and Chairman of the Cluster’s Supervisory Board. "We have discussed with Mr Podstawka Stadler’s intention to further advance hydrogen train technology," Majer added.

RS ZERO: The Hydrogen Successor to Stadler’s Regio-Shuttle RS1

The RS ZERO directly succeeds Stadler’s well-known Regio-Shuttle RS1, replacing its diesel engine with hydrogen or battery-electric propulsion while maintaining certain iconic design features such as the distinctive trapezoidal windows. "We need a successor to the RS1 that is entirely emission-free," explained Ansgar Brockmeyer, Executive Vice President of Marketing and Sales at Stadler.

According to company representatives, the RS ZERO is tailored for non-electrified or partially electrified routes, making it a versatile option for regional operators seeking low-carbon solutions. Its modular PowerPack system allows it to operate seamlessly on non-electrified branch lines, thus bridging operational gaps without emitting CO₂.

An added advantage of the RS ZERO is its ability to run on industrial-grade hydrogen with 95% purity, rather than requiring fully purified hydrogen—a feature that enhances its flexibility for operators transitioning to hydrogen technology.

Passenger Capacity and Technical Innovations

The RS ZERO is offered in both single-car and two-car configurations, providing seating for up to 165 passengers depending on interior layout. A single-car unit with a toilet accommodates 63 seats, while units without a toilet can seat approximately 75 passengers. Two-car versions can offer up to 150 or 165 seats, depending on configuration. Stadler spotloghts the RS ZERO’s spacious, fully low-floor design, which makes boarding and onboard mobility highly accessible. According to company statements, this positions the RS ZERO among the leading vehicles in its class for passenger comfort and operational versatility.

Source: RAILTARGET; STADLER

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