http://www.dailymail.co.uk/sciencetech/article-2426577/Vindskip-cargo-vessels-huge-hull-acts-SAIL.html
Although this sounds very hopeful, I would like to see how the vessel handles in very strong winds. I know the new, very tall, cruise ships can be manhandled into collisions by heavy winds. How this design would compensate for strong, contrary winds would be interesting to see.