WATCH: Cargill-chartered Pyxis Ocean sets sails with WindWings set to save 3 tonnes of fuel a day offshore-energy.biz - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from offshore-energy.biz Daily Mail and Mail on Sunday newspapers.
Jonathan Saul: Cargill, one of the world s biggest ship charterers, has been exploring wind assisted propulsion as one cleaner energy option. Wind was a common way of propelling ships before the switch to steam and diesel engines but is now mostly used only for smaller vessels.
When the ship is parked at a port, the sails fold down. But when it s out in the open sea, the sails open up. They re really tall, about as high as a 12-story building.