Toyota Motor Corporation and other Japanese companies are actively endorsing hydrogen fuel cells, but NYK, a renowned Japanese shipping firm, recently achieved a major breakthrough in the field of cleaner fuel. NYK supplied ammonia for the first ammonia-fueled tugboat, marking a significant contribution to sustainable maritime development. This move towards cleaner energy sources aims to reduce the negative impacts of the industry's activities and promote the use of recycled materials in fuel production. The project involves transitioning the Sakigake tugboat from LNG to ammonia, showcasing NYK's commitment to exploring new fuels. The ammonia used, particularly ECOANN, is produced with recycled plastics, emphasizing environmental sustainability. Safety measures and collaboration with stakeholders were crucial in the successful ammonia bunkering process, setting a standard for future practices. The initiative represents a significant advancement in marine propulsion and contributes to the shipping industry's efforts towards cleaner fuels and decarbonization.