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

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 ...

Diesel can gel in low temperatures, which leads to fuel line blockages and engine issues. The properties of diesel can ...