via weliveinthefuture:
The parasail-like kite attaches to the ship’s bow and pulls it through the water. The SkySails system can carry a load of eight to 16 tons—a number that is expected to increase to 32 tons by 2012 as the technology matures.”
Who knew ships could use wind power? I imagine if you got a whole bunch of these you could go really fast. I’ve worked up some concept drawings here:

But seriously, this is a really good thing. The more pressure there is to not burn fossil fuels, the more people are going to do things like this.