Rotor Sails saves cargo ships up to 20 percent fuel
Two rotors would increase fuel savings to 5 percent. In theory, an optimal configuration of rotor sails will save 20% fuel.
The Finnish Norse Power is developing wind power propulsion systems for ships.
In 2014 a test on the North Sea did show the Rotor Sail System saved 2.6 percent fuel each rotor.
Norse Power uses so-called Flettner rotors for the propulsion. This rotor sail is used in addition to the normal engines. Read More
