World's largest solar-powered boat to stopover in Tonga

Raphaël Domjan the Swiss skipper of a 31-metre solar powered catamaran, the MS TÛRANOR PlanetSolar on a maiden circumnavigation voyage around the world, made a presentation at Tonga's first Sustainable Energy Expo at the Fa'onelua Convention Centre, on the evening of April 12; ahead of the arrival of his boat, which is expected in Tonga before the end of April.