The National Railway Administration has initiated a shift towards hydrogen energy by drafting regulations to renovate power source systems for aging diesel locomotives with a focus on hydrogen fuel cell systems. Hydrogen-powered locomotives are seen as a crucial step in reducing carbon emissions and transitioning towards zero-carbon operations in the railway sector. These locomotives offer significant advantages, including robust driving ranges, adaptability to various environments, and efficient energy replenishment. Additionally, the adoption of hydrogen technology in railways can potentially reshape energy transportation landscapes, leading to a broader revolution in national transportation energy. By utilizing locally produced renewable energy for hydrogen production, regions with weak power grids can benefit from a closed-loop system. The development of hydrogen refueling stations shared with other hydrogen-powered vehicles and rail transit systems is expected to boost the economic efficiency of infrastructure construction. The dual benefits of carbon reduction and energy optimization along with the reshaping of energy transportation towards hydrogen mark a significant shift towards sustainable and efficient transportation growth.