Diesel engines are famous for reliability, longevity, and torque — until winter shows up and reminds them that chemistry still applies. Diesel fuel, which is pricey nowadays, behaves differently in ...

Gelling of diesel fuel occurs when wax, a normal, necessary component of #2 diesel fuel, crystallizes at low temperatures. The “cloud point” of a particular formulation of diesel fuel is the ...

There’s no worse sound on a cold winter morning than the sputter of a diesel engine that won’t start. No matter how much freight you need to deliver, it’s not going anywhere if cold weather gets the ...

Winter is the time of year that really puts diesel trucks and tractors to the test. Sure, a boosted engine loves cold air, but you know what doesn’t? The fuel that makes these workhorses run. That’s ...