Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...

Many of us try to eat right and have a well-balanced diet. We eat good foods and try to keep ourselves in good shape. Most of us benefit from taking vitamin supplements to boost certain areas of our ...

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.

Q: I have a couple of friends: one swears by oil additives – especially the brand Lucas – and another claims an oil additive ruined his truck engine. What is your take on oil additives? A: Some oil ...

Snake oil. Mouse milk. Whiffle dust. Take your pick — few products have earned such unflattering sobriquets as aftermarket motor-oil additives. And for the very good reason that these promised ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader curious about using Marvel Mystery Oil. AP Photo/David Zalubowski ...

What’s the difference between road car and race car (like NASCAR) oil? What are the differences between race car oil, like ...

Last time I took my wife's Saturn in JiffyLube to get the oil changed (I know, I should do it myself), they mentioned that there were some metal bits mixed in with the oil. They recommended having ...

We earn commissions from purchases you make using links in our articles. Learn more. Most drivers know that regular oil changes are important for keeping their vehicles performing at their peak, but ...

Stringent emissions legislations, along with changes in engine hardware and base oil types, are set to promote the greater incorporation of lubricant additives in passenger car motor oils (PCMO) and ...