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A comment on A cargo ship's 'WindWing' sails saved it up to 12 tons of fuel per day. Parent comment

Re:A cargo ship's 'WindWing' sails saved it up to 12 tons of... by ajb on Saturday March 23, 2024 @07:35PM (#39803815)
Yeah, was wondering about that. Once you have to start extending the deck or mounting them on tugs the trade doesn't seem likely to be favourable.
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