Peugeot's new concept car "i-On"

A model poses next to Peugeot's new concept car "i-On" at the Frankfurt International Auto Show IAA in Frankfurt September 15, 2009. REUTERS

New Bugatti concept car

Two models stand next to a new Bugatti concept car during the official opening of the world's first Bugatti showroom in central Beijing September 23, 2009. REUTERS

VW L1 concept car

Volkswagen AG's Chief executive officer Martin Winterkorn (R) and Ferdinand Piech, chairman of the advisory board of Volkswagen AG pose in front of a VW L1 concept car during the Frankfurt International Auto Show IAA in Frankfurt September 17, 2009. REUTERS

Concept car "BB1" of Peugeot

German Chancellor Angela Merkel looks out of the concept car "BB1" of French car manufacturer Peugeot during her visit at the international car show "IAA" in Frankfurt, September 17, 2009. REUTERS

Visitor takes pictures of a concept car

A visitor takes pictures of a concept car (L) and a historical "silver arrow" of German car manufacturer Mercedes-Benz at the international car show "IAA" in Frankfurt, September 16, 2009. REUTERS

Trabant nT concept car

A new Trabant nT concept car is pictured at the Frankfurt International Auto Show IAA in Frankfurt September 15, 2009. REUTERS

Concept car "L1" of Volkswagen

The one-litre concept car "L1" of German car manufacturer Volkswagen is on display during the media day at the international car show "IAA" in Frankfurt, September 15, 2009. REUTERS

Volkswagen "L 1" concept car

Volkswagen AG present the Volkswagen "L 1" concept car during the first media day at the international car show "IAA" in Frankfurt September 15, 2009. REUTERS

Concept car of BMW Mini

A concept car of BMW Mini is pictured during the Frankfurt International Auto Show IAA in Frankfurt September 15, 2009. REUTERS

Vision Efficient Dynamics concept car

Chief Executive of German luxury carmaker BMW Norbert Reithofer leaves the Vision Efficient Dynamics concept car of BMW during the Frankfurt International Auto Show IAA in Frankfurt September 15, 2009. REUTERS

LH4 prototype hybrid sport sedan

A Lightning Hybrids LH4 prototype hybrid sport sedan backs into the shop after an exclusive first look for a photojournalist outside the company's headquarters in Loveland, Colorado June 20, 2009. REUTERS

Hyundai Nuvis concept car

A model pulls a cover from the Hyundai Nuvis concept car at the 2009 New York International Auto Show April 9, 2009. REUTERS

Models pose beside concept car eMX

Models pose beside concept car eMX of Renault Samsung Motors, the South Korean unit of French auto maker Renault SA, at the Seoul Motor Show in Goyang, near Seoul, April 2, 2009. REUTERS

Citroen GT Concept Car

A Citroen GT Concept Car is displayed during the Paris concept car exhibition February 11, 2009. REUTERS

Corvette Stingray concept car

GM Vice President of Global Design Ed Welburn speaks about the Corvette Stingray concept car during the Chicago Auto Show February 11, 2009. REUTERS

Bamgoo, an electric car

"Bamgoo", an electric car with a body made out of bamboo, is displayed in Kyoto, western Japan November 14, 2008. REUTERS

Nissan Nuvu concept car

Carlos Tavares, Nissan's executive vice president, speaks next to the Nissan Nuvu concept car on media day at the Paris Mondial de l'Automobile October 2, 2008. REUTERS