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porsche fuel efficiency, Tag
- Porsche Unveils The 2012 Panamera S Hybrid Before The Geneva Auto Show Fri, 18 Feb 11, 3:01amAs a way to meet the new fuel economy standards set by the Obama administration, requiring fleets to have an average of 35.5 mpg by 2016, Porsche unveiled the 2012 Panamera S hybrid before the Geneva Auto Show. The car should...