Mitsubishi has revealed the first information and design sketches of the Concept-RA, a dynamic coupe that features an aluminum space frame and a diesel powertrain. It debuts at the 2008 Detroit Motor Show.

Lotus has released the official images and information about the concept designed for the Hot Wheels Designer challenge. The sportscar created by Steven Crijns combines styling cues typical of Lotus models with the performance-driven philosophy of the Hot Wheels toy cars.

The Renegade Concept is a B-segment two-seater off-road vehicle that will be unveiled by Jeep at the 2008 Detroit Motor Show. Among the features are the hybrid powertrain and a sporty rugged design.

At the 2008 Detroit Motor show Chrysler will unveil the ecoVoyager concept, a four-passenger car with a one-box layout that features electric propulsion with lithium-ion batteries and a small fuel cell.

Dodge has unveiled some preview sketches of the ZEO Concept, an electric vehicle with lithium-ion batteries that features a 2+2 sport wagon layout. It will be unveiled at the 2008 Detroit Motor Show.

Based on the Mercedes-Benz SLK, the GTK is a concept car created by Danish tuning company Kleeman as a development platform for future products. It was designed by Christian Brandt and is powered by a 540 hp V8 engine.

Unveiled at the Detroit Motor Show in 2004, the Shelby Cobra Concept is a modern interpretation of the AC Shelby Cobra 427. It is based on the aluminum chassis of the Ford GT and features compact dimensions and a front-mounted V10 engine.

The KC-427 Concept is a modern interpretation of the classic Cobra 427, created by Maltese company Racer X Design. Powered by the Corvette Z06's 7.0 liter V8 engine, the car will be completed within the year and could be produced in a limited series.

Hennessey Performance Engineering has revealed the first information on the Venom GT, an extreme concept car powered by a 1,000hp engine. A working prototype could be unveiled in 2009 to evaluate a limited series production.

At the 2007 Los Angeles Auto Show Volkswagen has presented the Space Up! Blue concept, a compact minivan inspired by VW's historic Samba Bus and powered by a new high-temperature fuel cell (HT-FC) system.