Used to be, heaters, like fenders, carpeting and even a radio, were superfluous to the true hot rod experience. If the part couldn't help the car go faster, it was jettisoned like deck chairs on a ...

We may receive a commission on purchases made from links. Diesel engines, known for their great fuel efficiency, are sensitive to cold temperatures. Instead of using spark plugs, as gasoline-powered ...

Running a 500-hp diesel engine to generate cab and sleeper heat is like whittling with a chainsaw. It can be done, but not without a lot of excess noise and energy. The most efficient truckers have ...

RC Willey has over 60 vehicles at their distribution center in Salt Lake City and does hundreds of deliveries a day. Rocky Mountain Power's Wattsmart Business program helped them install engine block ...