sails can help to propel ships: who knew?

[jrtom]

http://www.reuters.com/article/newsOne/idUSL1548100520071217?sp=true

Frankly I'm shocked that this is apparently only catching on _now_. Why isn't this a no-brainer?

Comments

Re: Sail

[fdmts.livejournal.com]

I just can't believe that a 20% fuel economy savings from SAILS has been sitting there for the past 100 years and nobody noticed.