PBS10 天
How sail-powered cargo ships are charting a course to sustainability on the high seas
Eighty percent of all global trade travels by sea, and the ships carrying those goods account for 3 percent of global ...
PBS11 天
Sail-powered cargo ships chart a course to sustainability
Now, some shipping companies are taking a new tack as they try to navigate the industry ... CAPTAIN OF THE HIGH TECH CARGO CARRIER GRAIN DE SAIL 2. >> LAST CROSSING, WE DID A MAXIMUM SPEED OF ...