The vessel will be converted at Remontova Shipyard in Poland starting January 2015, using an engine conversion kit supplied and developed by Wärtsilä in co-operation with Stena Teknik. The kit will allow the vessel to operate in dual-fuel configuration using methanol supplied by Methanex, with MGO (Marine Gas Oil) as backup.
A clear, biodegradable fuel produced from natural gas, coal, biomass or CO2, methanol has a similar emissions profile to LNG, with 99% less sulphur, 60% less NOx, 95% fewer particulates and 25% less carbon dioxide compared with conventional HFO.
Although more expensive to refine than LNG, methanol is liquid at ambient temperature, making it easier to handle and transport, and also allowing it to be stored for a greater length of time. “We are constantly evaluating different fuels for the future and to be first in the world with a methanol conversion is a big step towards sustainable transportation,” says Stena Line ceo Carl-Johan Hagman. “The project has been possible thanks to the great teamwork and collaboration between our technical staff, Wärtsilä and Methanex”.
“Naturally, adapting and converting Stena Lines fleet of some 40 ferries to the new regulations in the near future is a very tough task which will both take time, effort and money", Hagman added.
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