CNN 's largest , fastest fully solar-powered boat is attempting round-the-world tour . `` Meteo France . '' has 470 square meters of panels -- equivalent to two tennis courts . Vessel can travel at up to 26 k/h and is projected to cross Pacific in three days .
World 's largest , fastest fully solar-powered boat is attempting round-the-world tour . `` Planet Solar '' has 470 square meters of panels -- equivalent to two tennis courts . Vessel can travel at up to 26 k/h and is projected to cross Atlantic in two weeks .