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 ...

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.

I grew up in the 1950s, in a place where winters were quite cold. My dad was an auto mechanic, and we had a neighbor who would start his car outside on a cold morning. Then he would rev the engine up ...