Greenhouse Gas (GHG) Emissions Reduced by More Than 95% Compared with Conventional Heavy-Fuel-Oil Engines
As part of NEDO’s “Green Innovation Fund Project / Next-Generation Ship Development”, Japan Engine Corporation (Hereafter, “Japan Engine”）, Kawasaki Heavy Industries, Ltd（Hereafter,“Kawasaki”）, and Yanmar Power Solutions Co., Ltd. are jointly developing the “Development of Marine Hydrogen Engines and MHFS.” Japan Engine has completed the world’s first hydrogen-fueled engine for large commercial…
Japan Engine Corporation, in collaboration with Kawasaki Heavy Industries, Ltd and Yanmar Power Solutions Co., Ltd, is developing the world's first hydrogen-fueled engine for large commercial vessels as part of NEDO's "Green Innovation Fund Project / Next-Generation Ship Development". The 6UEC35LSGH engine, unveiled on September 7, achieved a hydrogen co-firing ratio of at least 95% during factory testing, significantly reducing greenhouse gas (GHG) emissions by more than 95% compared to conventional heavy-fuel-oil engines.
This engine will be installed on a 17,500 DWT multipurpose vessel for Mitsui O.S.K. Lines and MOL Drybulk under the "Blue Harmony" project, with onboard demonstration testing set to begin in April 2028. The vessel's hydrogen fuel will be supplied by the MHFS, developed and manufactured by Kawasaki. Safety measures, including a robust structure and double-walled piping, have been implemented to prevent hydrogen leakage.
ClassNK will conduct safety assessments throughout the engine's development and the vessel's lifecycle.
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