The inside of your engine is a dirty place. These products can help. While modern cars and trucks run better than ever before, and with less maintenance than ever before, thanks to computers, sensors, ...

CARS.COM — A clean engine compartment makes a used car look newer and better maintained. Some shops that perform engine cleaning services claim a clean engine even runs a little cooler because ...

We may receive a commission on purchases made from links. Our cars depend on many individual mechanical parts and systems, as well as a host of electrical sensors and computers to carry us to and from ...

The emissions system of your car does a lot to help make its exhaust more bearable to deal with. But it wouldn't be nearly as ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

Engineers have tinkered with the design of the internal combustion engine to produce one that is significantly cheaper and cleaner than the standard model. Governments and advocates have called for a ...