Help make August "FUEL EFFICIENCY MONTH" by visiting Hyundai's Facebook page and signing their petition. While you're there, use the U.S. Department of Energy's official source for fuel economy information to do a side-by-side MPG comparison between the car you're driving now and a new more fuel efficient car.
Autobytel ... 2013 Nissan Sentra vs. 2013 Mazda Mazda3: Compact Competitive Comparison “The 2013 Mazda MAZDA3 takes this one by a mile. Not only is its Skyactiv engine more powerful than the Sentra's similarly-sized motor, but it also delivers comparable fuel economy. Throw in two additional drivetrain options and Mazda has the Sentra beat in every department."
Fuel-efficient technology enthusiasts will rejoice that the world’s most fuel-efficient car has just been revealed ahead of its official unveiling planned to take place at next month’s Geneva Motor Show: the Volkswagen