The sun is considered as the most eco-friendly source of energy. The address the issue of global warming, concerned individual are growing each day. More and more designers are into solar powered products. The latest on the design world is the Solar Impulse, a solar powered Airplane. A prototype of this wonderful eco-transportation means is already under construction and has the aim to fly by 2012. With the registration number of HB-SIA, the solar impulse has a 63-meter wingspan. The plane will be solely propelled by he solar energy stored in the photovoltaic panels that are placed in its wings.