Most efficient 4 stroke engine, according to Guinness

August 31, 2016

The recently launched Wärtsilä 31 engine has achieved a Guinness World Records title for the most efficient 4-stroke diesel engine. Guinness World Records is a universally recognized authority on record breaking achievement. This prestigious achievement was verified on May 26, 2015, and confirms Wärtsilä’s technology leadership position. The listing is based on the Wärtsilä 31 engine’s highest fuel efficiency levels, with its diesel fuel consumption being as low as 165…

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