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An artist rendering released by General Motors shows a 2007 Saturn Vue Green Line. Automakers are rolling out several new hybrids at this year's North American International Auto Show in Detroit in January 2006, but it remains to be seen whether sales of the gas-electric vehicles can keep up with the hype. General Motors Corp. is making one of the most visible pushes, introducing two models with different types of hybrid power systems at the show in Detroit. GM also is introducing a Chevrolet Tahoe hybridSUV with a more advanced system that GM says will improve fuel economy by 25 percent. (AP Photo/General Motors)
An artist rendering released by General Motors shows a 2007 Saturn Vue Green Line. Automakers are rolling out several new hybrids at this year's North American International Auto Show in Detroit in January 2006, but it remains to be seen whether sales of the gas-electric vehicles can keep up with the hype. General Motors Corp. is making one of the most visible pushes, introducing two models with different types of hybrid power systems at the show in Detroit. GM also is introducing a Chevrolet Tahoe hybridSUV with a more advanced system that GM says will improve fuel economy by 25 percent. (AP Photo/General Motors)
