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by kisamoto 1868 days ago
Okay it's not cargo, but I've seen some innovative "eco" developments in the personal yacht space.

Take Daedalus yachts[0] for example, a USA built, lightweight (carbon fibre) sailing yacht with the aim of being zero emissions. They use a combination of solar, wind and hydrogen re/generation to get power for both the cabin and the drive system.

Perhaps a similar combination of technologies could be used to scale up commercial/cargo sailing ships?

[0] https://www.daedalusyachts.com/