Grebes spend three weeks testing FastRig sails
NTS/Smart Green Shipping
A tanker typically used to transport nuclear waste around the world is testing a new aluminum sail that could significantly reduce ocean tankers' fuel consumption and climate impact.
The grebe spent three weeks in October traveling the coast of England, testing a 20-metre-tall sail called the Fastrig, designed to propel large tankers on the high seas.
The retractable blade-like sail weighs about 35 tons and when unfolded…
Source: www.newscientist.com
