J-Eng conducting testing of hydrogen IC marine engine

Julian Buckley International Editor, Power Progress

30 March 2026

Japan Engine Corporation (J-Eng) has been developing a large, low-speed two-stroke hydrogen fuel engine, said to be the largest full-scale engine intended for installation on a working vessel.

This new engine has now achieved a hydrogen co-firing (dual fuel) hydrogen ratio of more than 95% at 100% load. The test…

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