(Reuters) - Workers stencil letters on the windshield of a Toyota Prius at the New York International Auto Show in New York April 5, 2007. Britain's Department of Transport has launched a Web site designed to let new car buyers choose the most environmentally friendly vehicle for their needs. (Keith Bedford/Reuters)
(Reuters) - A logo of Toyota Motor Corp's vehicle is seen at a showroom in Tokyo, May 9, 2007. As U.S. auto workers negotiate with the faltering Big Three under intense pressure to surrender benefits, employees at Toyota's flagship U.S. plant want what their blue-collar counterparts in Detroit have: union representation. (Yuriko Nakao/Reuters)
(AP) - Toyota Motor Corp. President Katsuaki Watanabe poses with the automaker's redesigned 'ist' compact hatchback in Tokyo Monday, July 30, 2007. Less than 4-meter-long, 1.7-meter-wide with 16-inch wheels and large tires, the second generation 'ist' offers stylized exterior and relaxing interior space. (AP Photo/Katsumi Kasahara)
(AP) - Toyota Motor Corp. President Katsuaki Watanabe unveils the automaker's redesigned 'ist' compact hatchback in Tokyo Monday, July 30, 2007. Less than 4-meter-long, 1.7-meter-wide with 16-inch wheels and large tires, the second generation 'ist' offers stylized exterior and relaxing interior space. (AP Photo/Katsumi Kasahara)
(AFP/File) - The Toyota Prius is on display at the New York International Automobile Show during the press preview days, in April. Toyota announced this week a partnership with the University of California to road test two plug-in hybrid cars, a step toward getting the fuel-efficient vehicles to consumers.(AFP/File/Stan Honda)
(AFP/File) - The Toyota Prius is on display at the New York International Automobile Show during the press preview days, in April. Toyota announced this week a partnership with the University of California to road test two plug-in hybrid cars, a step toward getting the fuel-efficient vehicles to consumers.(AFP/File/Stan Honda)
(AFP/File) - The Toyota Prius is on display at the New York International Automobile Show during the press preview days, in April. Toyota announced this week a partnership with the University of California to road test two plug-in hybrid cars, a step toward getting the fuel-efficient vehicles to consumers.(AFP/File/Stan Honda)
(AFP/File) - The Toyota Prius is on display at the New York International Automobile Show during the press preview days, in April. Toyota announced this week a partnership with the University of California to road test two plug-in hybrid cars, a step toward getting the fuel-efficient vehicles to consumers.(AFP/File/Stan Honda)
(AFP/File) - The Toyota Prius is on display at the New York International Automobile Show during the press preview days, in April. Toyota announced this week a partnership with the University of California to road test two plug-in hybrid cars, a step toward getting the fuel-efficient vehicles to consumers.(AFP/File/Stan Honda)
(AFP/File) - The Toyota Prius is on display at the New York International Automobile Show during the press preview days, in April. Toyota announced this week a partnership with the University of California to road test two plug-in hybrid cars, a step toward getting the fuel-efficient vehicles to consumers.(AFP/File/Stan Honda)