Sailing on Megatankers
https://www.youtube.com/watch?v=UEhCvR43nh8 Here is the ultimate boat rental: Hundreds of millions of tons of cargo shipped by a mega-tanker under sail. Massive sails. It’s part of a long-term effort to improve “rigid wing wind” transportation by ship. An earlier blog showed that in terms of fuel consumed per ton-mile, a tugboat moving a barge is 2.5 […]
