Nw Ecoship could take to the seas in 2020. A closed-loop water system, whale-inspired hydrodynamic hull, and retractable solar sails are among its best features.
The Energy Observer, a catamaran powered by solar, wind, and hydrogen, will sail around the world for six years.
Traditionally, a super-yacht is a vast, luxurious vessel where its opulence is only matched by its fuel consumption. However recently, the super wealthy have been making an attempt to show their green credentials by purchasing greener and more efficient ships. Sauter Carbon Offset Design (SCOD) have not set the standard by which all other green super-yachts will now be measured with the 42m Ocean Supremacy - the largest, greenest super-yacht in the world.