Yanmar is working on a hydrogen engine for boats in Japan

hydrogen engine Yanmar
Yanmar is working on a hydrogen engine for boats in Japan

The Japanese group Yanmar, which is known for its marine and public works machinery engines, is developing a hydrogen engine as part of the Nippon Foundation‘s “Zero-Emission Ship Project.”

This is a 4-stroke engine that will burn hydrogen instead of diesel. It is intended for ships operating along the coast. Based on a 6-cylinder engine, this high-speed engine will be able to run on a mixture of biofuel and hydrogen, or on hydrogen alone. In fact, it will be used to generate electricity on board, without emitting CO2. Yanmar will begin land trials this year, with sea trials in 2026.

Besides this hydrogen engine, Yanmar will be working on the conversion of a hybrid vessel to hydrogen, using hydrogen generators and batteries.

The aim is to offer carbon-neutral solutions on Japanese coasts by 2030.

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Article written by Laurent Meillaud and translated by Logan King

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About the author

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Logan King

After an unusual career (3 years in the French army followed by a 3-year degree in Applied Foreign Languages), it was my passion for environmental issues that finally caught up with me and led me to join Seiya Consulting and H2 Today in June 2022. First as an end-of-study internship, then as Marketing & Communication Manager and translator at Hydrogen Today.

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