Motor oil is a vital element in a well functioning automobile, but not all oils suit all engines, and it can be very easy to ...

Car maintenance can be as difficult as it is messy. This is primarily because there are just so many fluids involved. Fluids of the darkest, stickiest, most potentially dangerous sort, in many cases.

Though lawn mowers and cars both need oil to work, there are some crucial differences between the oil types. Here's what to ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...

Add Yahoo as a preferred source to see more of our stories on Google. As engine standards change, the oil that protects them has to change too — especially for drivers buying new trucks in the next ...

The new API PC-12 heavy-duty engine oil category reflects the changing demands of modern diesel engines. But fleets like ...