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 ...

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.

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.

Changing your car’s engine oil at home is a simple DIY task that improves performance, extends engine life and saves money.

Just because the oil on your dipstick is black doesn't mean it's time for an oil change. In fact, that really just means the ...

Engine oil and cold weather don't mix well. Here's why viscosity matters, how cold affects oil flow, and how the right oil can protect your engine all winter.

Even the most ordinary new vehicles undergo a remarkable amount of testing at the hands of fastidious engineers. Take the ...

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