The ultimate SUV will make urban traffic jams a thing of the past - it flies.

The AVX Transformer (TX) is the result of a challenge by the American Government military development agency DARPA. It asked someone to come up with the ultimate go-anywhere four-seat vehicle for combat use.

American company ATX, a military helicopter manufacturer from Texas, took up the challenge. Its proposal for a flying 4x4 is possibly the most mobile SUV ever - and certainly the most extreme.

It's capabl...

The Terrafugia Transition is about to become the world's first production flying car.

In development since 2006, the flying car was always hindered by American Federal Aviaton Administration (FAA) rules.

It was developed as a 'light sport' category aircraft, which means potential pilots need only register 20 hours flying time to legally take it to the skies. Full private flying licenses are very costly and time consuming to obtain.

But Terrafugia couldn't keep the weight under the 1,...