MITSUI E&S has completed the commercialization of large ammonia-fueled marine engines and ammonia fuel supply systems, the only Japanese manufacturer to do so.In February 2026, MITSUI E&S conducted land-based tests involving the
MITSUI E&S has completed the commercialization of large ammonia-fueled marine engines and ammonia fuel supply systems, the only Japanese manufacturer to do so.
In February 2026, MITSUI E&S conducted land-based tests involving the integrated operation of the ammonia dual fuel engine MITSUI-Everllence B&W 7S60ME-C10.5-LGIA-HPSCR which was witnessed by ClassNK. This verification confirmed the engine complied with the IMO’s NOx regulations.
MITSUI E&S has already decided to expand its testing and production facilities to enable mass production of ammonia engines and fuel supply systems compatible with both Everllence and WinGD licensed engines.
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