Stadler, the rail vehicle manufacturer, unveiled the RS ZERO prototype in Berlin, featuring a groundbreaking design with the option of hydrogen and battery drives for CO2 emission-free rail operation on non-electrified lines. Building on the success of the RS1 model, the RS ZERO combines continuity with innovation, aiming to address the challenges of present-day transport demands. With a focus on sustainability and technological openness, Stadler's CEO and executives highlighted the vehicle's ability to adapt to different rail network conditions, promoting locally emission-free operation. The RS ZERO offers a solution for both electrified and non-electrified lines, emphasizing lightweight construction and flexibility for secondary routes. The prototype showcased in Berlin boasts a modern and comfortable design, prioritizing accessibility, passenger comfort, and sustainable materials in its construction. This launch marks a new era in regional rail transport, symbolizing Stadler's commitment to a CO2-neutral future and sustainable mobility practices. The RS ZERO prototype's forthcoming debut at InnoTrans 2024 in Berlin signifies a significant milestone in the advancement of environmentally friendly rail travel and sets a new standard in railway technology and passenger experience.