The race to bring wind propulsion back to shipping

Green Seas: A podcast by TradeWinds

Shipping companies are exploring an array of technologies to reduce fuel by adding wind propulsion to their vessels, including a ship chartered by commodities giant Cargill that’s using wingsails designed by a company that has its roots in the America’s Cup sailing race. How quickly can this new but old technology make a difference in maritime greenhouse gas emissions? We talk to Cargill Ocean Transportation president Jan Dieleman, BAR Technologies chief executive John Cooper and International Windship Association secretary general Gavin Allwright.