A model displays a prototype two-seater light weight electric sports car "Teewave AR1", made by Japan's high-tech materials giant Toray, at a press preview of the Tokyo Motor Show on December 1, 2011. The concept vehicle features a carbon-fibre reinforced plastic (CFRP) body weighing 846kg, can travel 185km on a single charge, and has a maximum speed of 147kph. AFP PHOTO / Yoshikazu TSUNO
Japan's robot venture Kowa-tmsuk unveils its electric personal mobility "Kobot" at a press preview of the Tokyo Motor Show on December 1, 2011. The ultra compact electric vehicle features extensible and collapsible mechanisms for reduced parking space footprint. AFP PHOTO / Yoshikazu TSUNO
Japan's tire giant Bridgeston displays the air free tires "Air Free Concept", which has plastic made spkes inside the tire, instead of compressed airs at a press preview of the Tokyo Motor Show on December 1, 2011. AFP PHOTO / Yoshikazu TSUNO
A model displays a concept electric vehicle by US auto giant General Motors called the "Chevrolet EV-V" (Electric Network-Vehicle) at a press preview at the Tokyo Motor Show on November 30, 2011. Energy-saving electric cars with advanced green technology were vying for attention as the Tokyo Motor Show opened, with robots and computers becoming ever more part of the vehicles on display. AFP PHOTO / Yoshikazu TSUNO
President and CEO of Japan's Honda Motor Takanobu Ito introduces its concept car 'Micro Commuter Concept, whichis 2.5-metre in length and 1.25-metre in width, during the Tokyo Motor Show in Tokyo on November 30, 2011. AFP PHOTO/Toru YAMANAKA
Models displaythe new Beetle of German automaker Volkswagen during the Tokyo Motor Show in Tokyo on November 30, 2011. Energy-saving electric cars with advanced green technology were vying for attention as the Tokyo Motor Show opened with robots and computers becoming ever more part of the vehicles on display. AFP PHOTO/Toru YAMANAKA
Osamu Suzuki, chairman of Japan's Suzuki Motor, inspects the company's concept vehicle called the 'Q-concept' during the Tokyo Motor Show in Tokyo on November 30, 2011. Energy-saving electric cars with advanced green technology were vying for attention as the Tokyo Motor Show opened, with robots and computers becoming ever more part of the vehicles on display. AFP PHOTO/Toru YAMANAKA
Japan's auto giant Toyota Motor's affiliation, Toyota Boshoku displays a design study model of four-seater wagon "T-Brain" at a press preview of the Tokyo Motor Show on December 1, 2011. AFP PHOTO / Yoshikazu TSUNO
Japan's automaker Daihatsu, Toyota's small car affiliation, displays the company's concept zero-emission, fuel-cell vehicle called the "FC-Sho Case" at a press preview for the Tokyo Motor Show on November 30, 2011. Energy-saving electric cars with advanced green technology were vying for attention as the Tokyo Motor Show opened, with robots and computers becoming ever more part of the vehicles on display. AFP PHOTO / Yoshikazu TSUNO.
Japan's robot venture Kowa-tmsuk unveils its electric personal mobility "Kobot" at a press preview of the Tokyo Motor Show on December 1, 2011. The ultra compact electric vehicle features extensible and collapsible mechanisms for reduced parking space footprint. AFP PHOTO / Yoshikazu TSUNO
Japan's tire giant Bridgeston displays the air free tires "Air Free Concept", which has plastic made spkes inside the tire, instead of compressed airs at a press preview of the Tokyo Motor Show on December 1, 2011. AFP PHOTO / Yoshikazu TSUNO
A model displays a concept electric vehicle by US auto giant General Motors called the "Chevrolet EV-V" (Electric Network-Vehicle) at a press preview at the Tokyo Motor Show on November 30, 2011. Energy-saving electric cars with advanced green technology were vying for attention as the Tokyo Motor Show opened, with robots and computers becoming ever more part of the vehicles on display. AFP PHOTO / Yoshikazu TSUNO
President and CEO of Japan's Honda Motor Takanobu Ito introduces its concept car 'Micro Commuter Concept, whichis 2.5-metre in length and 1.25-metre in width, during the Tokyo Motor Show in Tokyo on November 30, 2011. AFP PHOTO/Toru YAMANAKA
Models displaythe new Beetle of German automaker Volkswagen during the Tokyo Motor Show in Tokyo on November 30, 2011. Energy-saving electric cars with advanced green technology were vying for attention as the Tokyo Motor Show opened with robots and computers becoming ever more part of the vehicles on display. AFP PHOTO/Toru YAMANAKA
Osamu Suzuki, chairman of Japan's Suzuki Motor, inspects the company's concept vehicle called the 'Q-concept' during the Tokyo Motor Show in Tokyo on November 30, 2011. Energy-saving electric cars with advanced green technology were vying for attention as the Tokyo Motor Show opened, with robots and computers becoming ever more part of the vehicles on display. AFP PHOTO/Toru YAMANAKA
Japan's auto giant Toyota Motor's affiliation, Toyota Boshoku displays a design study model of four-seater wagon "T-Brain" at a press preview of the Tokyo Motor Show on December 1, 2011. AFP PHOTO / Yoshikazu TSUNO
Japan's automaker Daihatsu, Toyota's small car affiliation, displays the company's concept zero-emission, fuel-cell vehicle called the "FC-Sho Case" at a press preview for the Tokyo Motor Show on November 30, 2011. Energy-saving electric cars with advanced green technology were vying for attention as the Tokyo Motor Show opened, with robots and computers becoming ever more part of the vehicles on display. AFP PHOTO / Yoshikazu TSUNO.
