The Solar Impulse-2 is a solar-powered aircraft project of which country?
Solar Impulse is a Swiss long-range experimental solar-powered aircraft project. Solar Impulse-1 aircraft are single-seat monoplanes powered by photovoltaic cells. Solar Impulse 2 is a revised version of Solar Impulse-1 which carries more solar cells and more powerful motors with better clean energy technology.
This question is a part of GKToday's Integrated IAS General Studies Module