The article highlights significant advancements in the use of hydrogen in cargo handling operations at various ports in Japan. The collaboration between key players like the Bureau of Port and Harbor Tokyo Metropolitan Government, NYK Line, Uni-X NCT, Mitsui E&S, and Iwatani Corporation has led to the installation of fuel cells on a rubber-tired gantry (RTG) crane at Oi Container Terminal. By replacing diesel engine generators with fuel cell generators, the partners aim to verify the feasibility of achieving the same cargo handling capacity while using hydrogen and reducing CO2 emissions. Furthermore, initiatives to make Japanese ports carbon-neutral involve electrifying cargo handling machinery and promoting hydrogen use. The project involves transporting hydrogen from a production plant in Chiba Prefecture to Oi Container Wharf, where it is pressurized and used to fill hydrogen tanks in the RTG crane. The operational data collected will help identify any challenges and necessary countermeasures for terminal operations. In addition to the project at Oi Container Terminal, similar initiatives at Kobe International Container Terminal and the Port of Los Angeles showcase the global trend towards hydrogen-powered cargo handling machinery. The commercial operation of the H2-ZE Transtainer crane at the Port of Los Angeles marks a significant milestone in hydrogen fuel cell technology. Overall, these developments reflect a positive sentiment towards hydrogen as a sustainable fuel source for decarbonizing port operations.