From the Telegraph in the UK, the idea is to use a kite to help pull a ship across the ocean. by using the wind power at high altitudes the ship would save on energy consumption.

Its inventor, Stephan Wrage, a 34-year-old German engineer, claims the kite will significantly reduce carbon emissions, cutting diesel consumption by up to 20 per cent and saving £800 a day in fuel costs.

Found on digg.com