Newly introduced NextDF technology for Wärtsilä 25DF engine delivers ultra-low methane emissions
Wärtsilä Corporation, Trade press release, 31 October 2024 at 11 AM EETTechnology group Wärtsilä has introduced its innovative NextDF feature for the Wärtsilä 25DF dual-fuel engine . While operating on liquefied natural gas (LNG), the NextDF feature reduces methane emissions to less than two per cent of fuel use across all load points, achieving as low as 1.1 per cent in a wide load range. What’s more, the nitrogen oxide (NOx) emissions are lower than on the standard Wärtsilä 25DF engine which already has low emission levels below IMO Tier III. LNG is