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Provalys

When taken into service in 2006, the 154,000 m3 LNG carrier 'Provalys' was the largest LNG carrier in existence.

The ship is propelled by dual-fuel engines and electric propulsion. The heart of the system is four dual-fuel engines; three 12-cylinder and one 6-cylinder Wärtsilä 50DF, giving a combined output of 39.9 MW.

The electric power is supplied to an electric propulsion system, as with the diesel-electric propulsion systems on modern cruise ships. The solution offers LNG carriers a number of significant advantages, including lower overall fuel consumption, fuel flexibility, and reducedemissions.

This modern LNG carrier has clearly demonstrated the advantages of gas fuel propulsion, made possible by Wärtsilä’s pioneering efforts in dual-fuel engine technology.

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