Engine oil is crucial to keep your car running smoothly, and while your engine isn't supposed to consume oil like it uses up fuel, you still tend to lose some of it as you use your vehicle daily.

Stroll down the oil aisle of a typical auto-parts store and you’ll be confronted with a literal wall of lubricant. Doz ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester ...