When Arctic air settles in, drivers of diesel pickups and highway fleets learn quickly that not all fuels behave the same. Diesel can thicken into a waxy sludge that starves engines of fuel, while ...

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 ...

In the coldest corners of the map, where diesel engines have long been treated as the only reliable option, electric vehicles are quietly rewriting the rules. Real world testing from Arctic truck ...