Heavy-duty pickups and long-haul trucks rely on torquey diesel engines that are more economical, reliable, durable, and have a more straightforward construction than a comparable unleaded gas engine.

Besides preventing the build-up of nasty engine sludge and premature wear, protection against cold starts is one of the main reasons why you should never skip an oil change in your gasoline or diesel ...

I sometimes think cars can tell if you love them or not, at least for me, I have noticed that the more you hate your car the more it will breakdown on you. Nevertheless, there is always one problem ...

Exhaust smoke color is one of the fastest ways to spot a sick engine — white, blue, and black each tell a different story. Sellers sometimes clear dashboard warning codes before a sale, but a simple ...