On paper, Jeep must have been quietly confident with its decision to introduce a European-style diesel Liberty in the mid-2000s. Perhaps it was being radical by American standards in moving away from ...

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.

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 ...