World's Largest Solar Boat: $19M With Endless Range

June 26 (Bloomberg) -- There was something unusual anchored in Manhattan's North Cove Marina last week, a giant catamaran covered in solar panels. PlanetSolar, the world's largest solar-powered boat, Is currently on a scientific expedition in the North Atlantic, powered solely by the sun. Bloomberg News found out about PlanetSolar, its legendary captain and how it's changing the future of nautical exploration.