Wärtsilä four-stroke ammonia engine cuts GHG emissions up to 90%
29 May 2025
The Wärtsilä 25, a four-stroke engine-based solution for ammonia fuel first introduced to the commercial marine sector in November 2023, has undergone extensive testing to optimize its performance parameters, said Wärtsilä. The latest results show a 95% ammonia energy share now achieves up to a 90% reduction in greenhouse gas…
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