These decades-old engines outlast modern ones — and anyone can fix them.

Despite gasoline and diesel fuels both being used for internal combustion, they're different enough that they require entirely different engines. You can't pull up to the pump in a diesel pickup and ...

The keys to running renewable natural gas as a fleet fuel depend on specialized technician training, rigorous inspection ...

If you've ever accidentally grabbed the diesel fuel nozzle at the gas pump, then you know just how scary of a moment it can be. Though the nozzle itself likely won't fit the filler neck on your ...

We all know why diesel engines are great for pickup trucks: They pull hard and use less fuel than a gasoline engine doing the same work. Greater fuel efficiency will often offset the greater cost of a ...