When you find yourself in the market for a new vehicle, you may have to pick between a diesel- or gas-powered car. As a fuel, diesel may be a little more expensive than gas, but it comes with a host ...

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.

The fuel and exhaust systems inside diesel engines work closely together. As a result, fuel- and exhaust-related issues can be some of the most difficult to diagnose: A symptom in one system often can ...

Diesel engines are renowned for their power and fuel efficiency, but cold weather can pose significant challenges to their operation. Many diesel owners wonder if starting their engines in cold ...