Solar sails are large solar - paneled wings which can harness sun or wind energy . • See a photo gallery of the world 's best super-yachts . UK - based company Solar Sailor is developing the technology . The solar sails could be fixed to super - yachts to help reduce their fuel consumption .
Solar sails are large solar - paneled wings which can harness sun or wind energy . UK - based company Solar Sailor is developing the technology . The solar sails could be fixed to super - yachts to help reduce their fuel consumption .