You might have noticed that it’s been pretty cold, well, everywhere lately. (I’m not talking to you, Florida.) I guess that’s what January is good for, but still, it isn’t a fun time to be a diesel ...

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 ...

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.

When Arctic air settles in, drivers of diesel pickups and highway fleets learn quickly that not all fuels behave the same.