Heavy-duty pickups and long-haul trucks rely on torquey diesel engines that are more economical, reliable, durable, and have a more straightforward construction than a comparable unleaded gas engine.

Besides preventing the build-up of nasty engine sludge and premature wear, protection against cold starts is one of the main reasons why you should never skip an oil change in your gasoline or diesel ...

Winter actually causes more damage to diesel trucks than most owners think. Every year problems like gelled fuel, failure to start or weak start, longer warm-up time and even cut short regeneration ...

Performance, towing, fuel economy, and more details about the Chevy and GMC models with the first-generation Duramax inline-six. The first-generation 3.0-liter LM2 Duramax diesel engine was a GM ...