Wind-assisted propulsion systems (WAPS) have been a lot in the news lately as more owners add hard sails or rotors to ships to meet major charterers’ needs to decarbonize. French coffee roaster and chocolatier Grain de Sail, however is going for what wind propulsion enthusiasts would consider the real deal — a pure sail containership. It has announced plans to construct its third vessel, the Grain de Sail III. It will operate completely under sail (except for port and channel maneuvers),
The...