2013 Ford Focus SFE

 
Active Shutter Grille Vents: How They Help Improve MPG

Active Shutter Grille Vents: How They Help Improve MPG

Over the past few years, more automakers than ever have started to promote something called active shutter grille vents. Essentially a way to boost fuel economy at higher speeds, active grill shutters are now being used by GM, Ford, and Chrysler--among others--to give gas mileage boosts to their... read more

October 8, 2012 by  - 13
 

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