...n technology, that was developed with the WINTECC project, achieved 5% fuel savings â corresponding to 165 tonnes/year of fuel and correspondingly 530 tonnes of CO2 per year for the vessel Beluga Skysails on an average route mix, and10-12% savings on North Atlantic and North Pacific routes. Larger âkitesâ, which will be available soon, will provide higher savings. For fish trawlers also high ...