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Wind is a free and abundant source of energy at sea. Kite-flying on shipboard is fun, and it saves fuel.
SkySails
http://www.skysails.info/english/
The SkySails-System can reduce a ship's average annual fuel costs by 10 to 35%. Under optimal wind conditions, it can cut fuel consumption temporarily by up to 50%.
great idea
Rangsantable 4 months ago
and what exactly does it do?
LIGHTRONIX 9 months ago