Flying around the world without fuel

The countdown has started for a visionary project: In a few weeks the futuristic Solar Impulse aircraft will embark on its unprecedented flight around the world—powered only by the sun and supported by high-tech materials.

Top 10 Cars of the 2015 Detroit Auto Show

Top Ten Cars at the 2015 North American Auto Show Editors at AutoGuide.com visited the 2015 North American Auto Show in Detroit, and made this video showing their choices for the top ten cars at the show. The Ford GT shown here showcases ultra-efficient aerodynamics, EcoBoost engine performance, and lightweight carbon-fiber construction.