The Wind Challenger-equipped coal carrier Shofu Maru | Image: MOL Mitsui O.S.K. Lines, Ltd. (MOL)  announced today the successful completion of seven round-trip voyages by the Shofu Maru, the world’s first coal carrier equipped with the innovative Wind Challenger hard sail wind propulsion system. Since its delivery in October 2022, the vessel has primarily operated between … Continue reading MOL Shofu Maru Completes Seven Voyages with Wind Challenger System, Achieves Significant Fuel Savings