The days of the massive sails might be gone from shipping but they aren’t gone forever. Environment concerns and emission regulations have made way for the modernized versions of the sails. The Week’s article on how sails are making a comeback chronicles that.
Here’s an excerpt from that article.
Organizations Going for Commercial Wind PropulsionThere’s an overarching organization — the International Windship Association — that’s pushing wind propulsion for commercial shipping, and liaising...
http://mfame.guru/watch-how-cargo-ships-might-to-sail-the-high-seas-again/