http://sciencealert.com/this-giganti...ort-7-000-cars

This Gigantic Sailboat Design Could Use Wind Power to Transport 7,000 Cars

Now, researchers at a shipping company have designed a new type of cargo vessel that will be able to ship large amounts of merchandise while running entirely on wind power, cutting 90 percent of the typical shipping emissions along the way. It's being called the OceanBird.