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 ...

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 ...

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 ...

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

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 ...

Regardless of whether it burns gasoline or diesel, your internal combustion engine works by igniting a mixture of fuel and air to create power. To do so effectively, it must reduce the detrimental ...

Friction is the enemy of efficiency. At least that’s the case in internal combustion engines. That's why oil is such an important ingredient to the longevity of an engine’s life, as well as its ...