GM: Sticking Rudolf’s nose on your car hurts fuel economy

5 Jan
GMC Terrain AntlersRudolf the Red Nosed Reindeer may be perfectly suited to guiding sleighs in inclement weather, but if you played Santa: The Home Game this year, the chances are the little guy took some of the edge off of your fuel economy. That’s according to GM, which tested a GMC Terrain in a wind tunnel to gauge the effects of antlers and a reindeer...