Solar Impulse Flys in San Francisco
![Solar Impulse Flys in San Francisco Solar Impulse Flys in San Francisco](https://i0.wp.com/kenburridge.com/wp-content/uploads/2014/07/Solar-Impulse-Flies-From-San-Francisco-To-New-York.png?resize=150%2C150&ssl=1)
Fossil-Fuel Free Airplane Test Flown in California The Solar Impulse a 100% Solar-powered aircraft demonstrates the potential of solar energy in the USA with a San Francisco Test Flight. The Solar Impulse a manned aircraft powered only by energy from the sun in a prelude to a multiple city cross-country tour of the USA made [Continue]