The article highlights the growing significance of hydrogen, particularly green hydrogen, as a sustainable energy source with the potential to revolutionize the global transportation sector. It emphasizes India's proactive approach towards integrating green hydrogen into its energy strategy, focusing on initiatives like the National Green Hydrogen Mission. The piece discusses the advantages of green hydrogen over grey and blue hydrogen in terms of sustainability and emission reduction, showcasing how it could address the energy and climate challenges faced by industries worldwide. Specifically, the article delves into India's ambitious plans to introduce hydrogen-powered trains within its railway network, with projects like the 'Hydrogen for Heritage' initiative and the conversion of Diesel Electric Multiple Units (DEMUs) into hydrogen fuel-cell-powered trains. It outlines the technical details of these projects, such as the production and storage of hydrogen for train operations, highlighting the innovative steps taken by India to achieve its net-zero emissions target by 2030. Furthermore, the article underlines the potential global impact of India's green hydrogen initiatives, suggesting that the successful implementation of hydrogen-powered trains could not only help Indian Railways but also serve as a model for other developing economies looking to transition to cleaner energy solutions. By focusing on the practical advantages of hydrogen fuel cells in trains, the article paints a positive picture of how green hydrogen technology could reshape the future of transportation, starting with India's railway sector.