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Enabling Early Detection of Abnormal Signs and Accelerating the Adoption of Ammonia Fueled Vessels 22 April 2026
Ammonia fuel is considered one of the most promising next-generation fuels for advancing decarbonization in the maritime industry, as it emits little to no greenhouse gases during combustion. As the use of ammonia-fueled vessels expands, it becomes increasingly critical - just as with conventional vessels - to accurately monitor onboard equipment and detect early signs of potential abnormalities. One highly effective method for achieving this is condition monitoring through the analysis of engine lubricating oil. Because lubricating oil reflects the internal condition of an engine, analyzing it allows for early detection of potential abnormalities. Building on extensive verification trials, NYK and Nippon Yuka have developed the technical expertise required to realize a lubricating-oil analysis service for monitoring the condition of ammonia-fueled engines. Having successfully validated these processes, Nippon Yuka will now offer its specialized lubricating-oil analysis services to NYK Group companies and external customers. Moving forward, the NYK Group will continue to work toward a sustainable society and decarbonization through initiatives that promote the utilization of next-generation fuels, including ammonia. Nippon Yuka Kogyo Co., Ltd. Head Office: Naka-ku, Yokohama, 231-0013 Japan President: Takashi Mishima Website: https://www.nipponyuka.co.jp/ Contact: +81-45-201-8867 Business Overview: With strengths in chemical technologies related to the maritime industry, the company engages in research and investigation, analytical services, product development, and sales. * This business is scheduled to commence on the occasion of "Sea Japan," Japan's largest international maritime exhibition and conference, which will be held starting April 22, 2026. ** Ammonia-fueled dual-fuel diesel engines that use ammonia and fuel oil. NYK Group, press release 
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