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Just when you think you’ve seen everything, along comes the Finnish company Norsepower with an idea whose time has come: tiltable sails. And why? Well, the dream of powering cargo ships the old fashioned way is nice enough, but getting those sails to dip under bridges and snap back up again is a whole ‘nother can of worms. Wind power comes back to the shipping industry, but these “sails” are different than any others (image by Norsepower via YouTube). Wind Power That Tilts! So, Norsepower . This company made a little splash on the CleanTechnica radar back in 2017, when we were looking at kite-based wind power technology and then something about “spinning sails ” caught our eye. Then, last October we were taking stock of a wind power renaissance in the cargo ship area when all of a sudden Norsepower popped up again, this time in connection with the leading energy and marine operations firm Wärtsilä: “Another important development occurred earlier this week, when Finland’s Wärtsilä and Norsepower announced a new mashup aimed at scaling up the adoption of wind power in commercial seagoing operation s. “The new agreement will help Wärtsilä promote projects using Norsepower’s Rotor Sail […]

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