Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

Imagine for a minute that the amazing, over-caffeinated meatbag you call your body actually isn't so amazing. That every energy-expending action you make—from the tiniest facial expression to a ...

The 3.6 L V-6 on the 2008 STS is General Motors' first V-6 gasoline engine with direct injection. Combined with other powertrain changes including variable valve timing, the fuel economy of the STS ...