Worlds most efficient 4-stroke gas engine

The technology group Wärtsilä has launched the Wärtsilä 31SG pure gas engine for marine market applications at the Gastech 2019 conference in Houston, Texas.

The Wärtsilä 31SG pure gas engine, ratified as the world's most efficient 4-stroke diesel engine Photo: Wärtsilä

The technology group Wärtsilä has launched the Wärtsilä 31SG pure gas engine for marine market applications at the Gastech 2019 conference in Houston, Texas.

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