The E.P.A.’s killing of the “endangerment finding” caps a year of deregulation that is likely to make cars thirstier for gas and less competitive globally, experts say.

What team owner Carl Long and his crew did to be ready for the Daytona 500 consisted of a bizarre operation of mechanical engineering ...

Let's face it, most engine additives don't really improve performances. If you want to try one that does, here's what you should pick.

To clean, simply mist the engine bay with your spray, let it sit for a few minutes, then rinse. If your engine bay is especially dirty, you can agitate the grime with a rag, or you can even use a ...

Keeping the engine bay clean is not just a matter of cosmetic appeal; it is a significant aspect of vehicle maintenance that ...