They still have to pay the sailors. The Cutty Sark had a capacity of 1,700 tons and a minimum complement of 28 [1]. By contrast Emma Maersk can carry 154,000 wi

They still have to pay the sailors. The Cutty Sark had a capacity of 1,700 tons and a minimum complement of 28 [1]. By contrast Emma Maersk can carry 154,000 with only 13 Sailors [2]. The fuel savings are probably not worth ~200 times higher labor costs. [1] https://en.wikipedia.org/wiki/Cutty_Sark https://en.wikipedia.org/wiki/Cutty_Sark [2] https://en.wikipedia.org/wiki/Emma_M%C3%A6rsk https://en.wikipedia.org/wiki/Emma_M%C3%A6rsk