During a typical trip to the gas station, you shouldn't really see the fuel you're pumping that much. Unless you're pumping fuel directly into a canister or the pump is leaking, then it's more an ...

Diesel fuel. For all intent and purpose, it is the absolute life blood of engines that share its name; the 3.0L, 5.9L, 6.7L, and other powerplants that motivate the pickup trucks we drive. It's the ...

Like any other stored commodity, diesel fuel deteriorates with time, especially if it is kept motionless in tanks used for fleet systems, marine engines, or backup generators. Recognizing bad diesel ...