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In today's world of rising gas prices and environmental concerns, fuel efficiency has become a top priority for car manufacturers and co
Road trips are a quintessential American experience. The freedom of the open road, the ever-changing scenery, and the anticipation of new de
Think cheap gasoline killed the fuel-efficient car? Think again! These ten rides will leave you grinning at the pump. * Volkswagen Jetta
[![The Porsche Panamera S E-Hybrid is one of several luxury rides that also delivers great gas mileage. Photo Courtesy of Porsche.](http://b