Mitsui OSK Lines (MOL) has provided Splash readers with a glimpse of the enormous hard sail it is about to install on one of its bulk carriers under construction at Oshima Shipbuilding. The huge sail, 54 m high, has been under development for the past 13 years and is known as the Wind Challenger...
https://splash247.com/mol-readies-for-installation-of-its-first-hard-sail/