Business Green: The Solar Impulse airplane successfully landed earlier this morning, completing the first 24-hour flight by a solar-powered aircraft. The plane, piloted by Solar Impulse chief executive and former fighter jet pilot Andre Borschberg, landed at the Payerne airbase in Switzerland at 9am local time, having flown through the night using power stored in the aircraft’s batteries. The Solar Impulse team said that the plane had more than three hours power left in its batteries when it …