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 ...

Products are designed to address the unique challenges faced by hybrid engines, like frequent stop-start wear and moisture build-up, offering advanced protection where traditional additives fall short ...

Walk into any parts store and you'll see the rows of glossy bottles promising to stop engine wear, boost fuel economy, and make your old clunker run like it just rolled out of the factory. The auto ...

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 ...

As someone who's driven classic cars daily for around 15 years, as well as working on and restoring such cars throughout my education, I take vintage automotive maintenance very seriously. Many of ...

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 ...

Viewer-submitted questions for The Car Doctor: Q: My car makes a funny sound when I turn left, like grumbling noise, but not when I turn right. Will I get charged if I bring the car to be diagnosed ...

Changing your car’s engine oil on time keeps it clean, cool, and efficient. Fresh oil prevents friction, wear, and sludge ...

Experienced drivers know that high mileage cars demand special attention. Most oil manufacturers advertise specific lines of engine oil made for high mileage vehicles. These are cheaper than their ...

It is widely known that diesel engine oils contain more Zinc (ZDDP) than regular passenger motor oils, but does that make a diesel engine oil (HD) a good choice for hot rods or race cars? To answer ...