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A comment on Maersk installed 100-foot-tall rotating sails on one of its tankers. Parent comment

Re:Maersk installed 100-foot-tall rotating sails on one of i... by sandworm101 on Saturday September 01, 2018 @05:14PM (#17893908)
Solar panels on cars make sense. They may not provide much actual charging, but they can prevent discharge over time.
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Re:Maersk installed 100-foot-tall rotating sails on one of i... by woodandsteel on Saturday September 01, 2018 @08:27PM (#17894668)
I meant in the sense of providing the power for the motor.
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