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 26 May 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 g/kWh. This is far lower than any other 4-stroke diesel engine currently available on the market.
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