SMRTR Science & EngineeringSep 1, 2025Interesting Engineering

World’s first ammonia-powered commercial ship engine set to launch in Japan

SMRTR summary

Japan Engine Corporation has introduced the first commercial ammonia-powered ship engine, a dual-fuel system running on ammonia and heavy fuel oil. Certified by ClassNK for environmental performance and safety, the engine achieved over 90% reduction in greenhouse gas emissions during trials. Set to power a cargo vessel in 2026, this innovation is part of Japan's Green Innovation Fund Project and advances efforts toward carbon-neutral shipping by 2050.

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