Wärtsilä has introduced its NextDF technology for a third engine, the Wärtsilä 46TS-DF dual-fuel engine. While operating on liquefied natural gas (LNG), the Wärtsilä 46TS-DF engine with NextDF feature reduces methane emissions to less than 1.4% of fuel use across all load points, achieving emissions as low as 1.1% in a wide load range. This is nearly three times lower than the default methane slip factor of 3.1% specified in the FuelEU Maritime and IMO lifecycle guidelines for Otto-cycle...