It has been just over a decade since GM V8 engine technology like cylinder deactivation and light-weight oils became standard, how have they impacted sales? This question was raised by a recent ...

How Does Cylinder Deactivation Save Fuel? Towing a big trailer up Davis Dam may require a big, burly V-8 engine, while cruising along a level freeway when that same truck is empty barely requires a ...

If you’ve got your heart set on a new GM truck or full-size SUV powered by the tasty 3.0L Duramax diesel, you may find yourself in for a bit of a wait. According to reports south of the border, The ...