MOL and Vale to jointly Study ‘Rotor Sail’ for Bulk Carrier ship

Today, the top boss of Japanese shipping line MOL announced an agreement with Vale International to conduct a joint study on installing a wind propulsion system called “Rotor Sail” on a 200,000-ton class in-service bulk carrier transports iron ore for steel production. The goal is to reduce greenhouse gas (GHG) emissions from the vessel while underway.

The Rotor Sail produces propulsive force as the wind generates differential pressure around the slewing rotor while the vessel is underway. It offers high efficiency because the natural energy of the wind directly propels the ship rather than being converted into electricity.

The joint study team will examine and verify the number of Rotor Sails to be installed and the effect of GHG reduction, working closely with Anemoi Marine Technologies Ltd (Anemoi), the manufacturer of the Rotor Sail. Anemoi, based in the U.K., installed the world’s first Rotor Sail on a newbuilding Ultramax bulk carrier in 2018.

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The MOL Group is implementing five initiatives (Fig.2) to realize the mid-to-long-term targets set out in the “MOL Group Environmental Vision 2.1” (Note 2). Including this opportunity, we will pursue one of the initiatives, “Enhancement of Energy-Saving Technologies” and continually strive to reduce GHG emissions in cooperation with leading companies in various industries, with the goals of “Achieving net-zero GHG emissions by 2050.”