Cargill Chartered Bulk Carrier Tests WindWings Wind Propulsion System [VIDEO] 28 August 2023 BAR Technologies says tech can save 1.5 tonnes of fuel per WindWing per day.Author: Capt. Johnhttps://shipandbunker.com/news/world/409005-cargill-chartered-bulk-carrier-tests-windwings-wind-propulsion-system-video