Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

At this point Quaker State has been a brand associated with reliable motor oil for over 100 years. It's important to note that Quaker State is now owned by Shell — keeping in mind that their ...

A 100-year-old incredibly rare Shell motor oil sign has sold for a whopping $133,975 — smashing an Australian record set just ...