Changing your own oil, while simple in principle, is often a rather deceptively nuanced task in one key area: selecting which oil is best for your vehicle. For instance, there's a huge variety of ...

Semi-synthetic and synthetic blend oil sound very similar -- and they are -- but how can you tell the difference between the two? And which is best?

Putting vegetable oil in a car engine is a terrible idea and should never be done, or at least that's what some experts say. What do real-life tests show?

Conventional motor oil or synthetic motor oil? That is the question when getting an oil change, and it's an important one. Both are designed to help keep your engine and its various components ...