Audi has released the first information and renderings about the Cross Cabriolet quattro, a concept car that blends together design elements typical of convertibles and SUVs. It debuts at the Los Angeles Auto Show.

The Mercedes-Benz SilverFlow makes use metallic particles that can be arranged via magnetic fields in different forms, thus creating a different vehicle depending on the user's requirements.

An exclusive report on the development of the Kumho Epoch Concept, including designer Rob Dolton's analysis of the car design process.

The solar-hybrid powered Honda 124 (1-to-4) is an energy efficient, fully robotic commuting solution, designed for futuristic urban environments. The body panels can be reshaped thanks to molecular engineering.

Inspired by ants' self-regulating traffic system, the OnStar concept study by General Motors features a vehicle-to-vehicle communication system and omni-directional propulsion.

The Audi Virtuea quattro is a hydrogen-powered futuristic concept that combines a solid core unit with a holographic exterior that can be changed by the driver.

Official video presentation of the Subaru G4e Concept, the electric vehicle that debuted at the 2007 Tokyo Motor Show.

Maybach has revealed the Landaulet Study, an exclusive one-off based on the Maybach 62 S that revives the classic landaulet theme, with a soft top for the passengers compartment. The main styling cue is the contrasting white-black color scheme.

The Pontiac Solstice SD-290 is a single seater inspired by classic sports cars. The design features a passenger cockpit tonneau cover and a driver-side only windscreen.

The Mitsubishi Double Shotz Concept is the winning entry of Mattel's first Hot Wheels Designer Challenge. It was created by Gary Ragle from Mitsubishi Research and Design of America and has debuted at the 2007 SEMA Show.