Energy Saving Devices – Page 12
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NewsNorsepower gets class approval for rotor sail
Clean technology company, Norsepower Oy, has been awarded the first ever type approval design certificate granted to an auxiliary wind propulsion system onboard a commercial ship.
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NewsFlettner investment pays off for Fehn
Performance of the Eco-Flettner, a rotor sail propulsion system, is reported to be exceeding expectations.