When General Motors decided to make a diesel engine a permanent part of its light-duty truck lineup in 1982, it partnered with Detroit Diesel for a 6.2-liter V8 rated at 130 horsepower and roughly 240 ...

For decades now, the big three American automakers have been engaged in a game of one-upmanship over which company can fit the most powerful and torquiest diesel engines in their trucks. And, just as ...