The Gravity-Powered Aircraft

Written by Alan Bellows on 31 March 2006

The Fuelless Gravity Plane ConceptOur world is certainly not left wanting for free sources of energy. The sun vomits an absurd amount of energy upon the Earth’s surface constantly– up to a thousand watts per square meter during the daytime; the planet’s mantle writhes with heat energy, up to 4,000 degrees Celcius; and a tremendous supply of energy saturates the enti...

Volvo gravity powered car

Volvo has tested a concept that doesn't use gasoline or even have an engine, but it does need to be on an inclined plane though. The Volvo concept uses Sir Isaac Newton's fave force to power it, propelling it up to speeds of 54mph. Though fastest in the Extreme Gravity Competition held in California, which saw other automotive heavyweights such as Audi and Bentley competing, you won't see this concept on the road ever.