Solar Flight is the first manned plane to fly 24 hours on solar power . Groundbreaking aircraft is now on a two - day trip across the United States . Adventurer Chris Piccard wants to pilot a solar plane around the world . Solar Impulse promotes renewable energy sources and energy - efficient technology .
Solar Impulse is the first manned plane to fly 24 hours on sun power . Groundbreaking aircraft is now on a five-leg trip across the United States . Adventurer Bertrand Piccard wants to pilot a solar plane around the globe . Solar Impulse promotes renewable energy sources and energy-efficient technology .