Yanmar Power Technology has reported a successful demonstration of its 500kW hydrogen engine suitable for power generation in coastal vessels.
The land-based trial operated the pilot-ignition hydrogen 4-stroke high-speed engine using a small amount of diesel oil to burn a premixture of hydrogen and air.
Yanmar reported that the engine achieved “the world’s highest hydrogen fuel ratio,” with an output of approximately 500kW. Looking ahead, the Japanese company wants to trial biofuel as the pilot fuel and work towards obtaining class certification before demonstration operations that are scheduled for 2026.
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