Stadler, a renowned manufacturer of trains, unveiled the RS ZERO at InnoTrans in Berlin, marking a significant advancement in rail transport. The RS ZERO, successor to the RS1 Regio-Shuttle, comes with two cutting-edge drive technologies: hydrogen and battery, enabling CO2-emission-free operations on branch lines. With a successful history of the RS1 model in German regional transport, Stadler integrates state-of-the-art, environmentally friendly drive systems in the RS ZERO, making it a world-first in rail transport. The RS ZERO, available in one-car and two-car units, caters to 70 to 150 passengers. It features a user-friendly design with low entry height, spacious interiors, and barrier-free access, ensuring convenience for passengers, including those with limited mobility. The hydrogen and battery drive options allow for local CO2-emission-free operation on various regional routes, adapting to electrified lines or hydrogen refueling stations. Stadler's emphasis on sustainability extends to the interior design of the RS ZERO prototype, showcasing eco-friendly materials such as renewable flooring and recycled side wall paneling. The prototype also boasts a climate-friendly air conditioning system, highlighting the company's commitment to eco-conscious practices. Stadler's vision for a CO2-neutral future is exemplified through the RS ZERO, offering a comfortable, safe, and environmentally friendly solution for local passenger transport, supporting the transition to sustainable mobility in the rail industry.