Based on the Wärtsilä 31 engine's highest fuel efficiency levels, with its diesel fuel consumption being as low as 165 g/kWh, which, the record claims, is lower than any other 4-stroke diesel engine currently available on the market.
The engine has been designed “from scratch” to operate between the 4.2 to 9.8mw range, reducing fuel consumption and maintenance requirements. The engine comes in three configurations - Diesel, Dual-Fuel (DF) and pure gas, or Spark-Ignited Gas (SG).
"The marine industry is focusing more than ever on efficiency and flexibility. The validation of the Wärtsilä 31 by Guinness World Records as being the most efficient 4-stroke diesel engine in the world speaks for itself. Ship owners and operators now have the chance to take a more efficient approach to improving vessel operations and reducing costs. The Wärtsilä 31 clearly redefines efficiency," said Roger Holm, senior vp of Engines at Wärtsilä Ship Power.
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