..and keeping pollution down.
The German shipping group "Beluga Group" Have fitted out the worlds first cargoe ship with a 160 sq Meter Para Kite.

Its sailing across the Atlantic to Venezuela.
Its huge Para Glider Kite flys at 300meters high, and saves $1600 per day in fuel costs.
The company have ordered two more larger ships from China, each will be equipped with an even larger sail, the size of a football field.
Thats real progress since it cuts engine pollution by about 1/4
Just like the sailing Clippers of the 1840's
Here is the blurb:-

http://www.beluga-group.com/News.345.0.html?&cHash=8d7c34a750&tx_ttnews[tt_news]=505

Here is a video of the Ship and Kite out at Sea,...Wow

http://www.tradewinds.no/webtv/

(Click on 'We are sailing' for Flash video)

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"You will never find a real Human being - Even in a mirror." ....Mike Kremer.