The introduction of hydrogen-powered trains in the United States is revolutionizing the country's railway transport sector by offering a cleaner and greener alternative to traditional diesel locomotives. To facilitate this transition, industry leaders from companies like Jacobs, HDR, and Ricardo LLC, along with the San Bernardino County Transportation Authority (SBCTA), recently discussed the challenges and opportunities of incorporating hydrogen technology into the US railway system at the APTA Rail Conference. The shift to hydrogen-powered trains requires a significant overhaul of existing railway infrastructure, including the setup of new hydrogen fueling and maintenance stations, staff retraining, and upgrades to safety systems. The SBCTA's FLIRT H2 hydrogen fuel train, set to commence service in August 2025, exemplifies this transition by investing in purpose-built infrastructure with advanced safety features to ensure the safe utilization of hydrogen. Key discussions at the conference revolved around the unique safety considerations of hydrogen trains, especially in tunnels, where proper ventilation and emergency response protocols are crucial. Experts emphasized the importance of training first responders to handle hydrogen-related emergencies effectively. Despite the challenges, the adoption of hydrogen trains is expected to have positive environmental, business, and tourism impacts, encouraging a shift towards sustainable travel methods and reducing carbon footprints. As the US railway industry embraces this greener technology, travelers are advised to stay informed about new routes and services offered by hydrogen trains and to support sustainable travel practices whenever possible. While the transition to hydrogen trains will take time and infrastructure improvements are ongoing, the shift signifies a promising step towards a more environmentally friendly future in US rail transportation.