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   d (deprecated_ii@poa.st)'s status on Wednesday, 23-Aug-2023 06:11:24 JST d
   so these things are actually happening. it's not "wind-powered" it just gets assistance from the wind when possible. there are also other issues here, you've got a higher center of gravity, the sails weigh a lot so you can't carry as much cargo, etc.
   
   they're talking about a 7-10 year payback for installing the sails. I bet that doesn't pan out but they're going to do it anyway because muh carbon footprint