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 ...

Unless you are keen on the idea of retaining a gas tank behind the seat inside the cab, installing a new tank in a pickup can be somewhat of a packaging nightmare. The only place is under the bed ...