There’s no NASCAR, 1967 Ferrari F312, Porsche 911, or even your daily driver Hyundai Sonata without oil. Whether conventional or synthetic, engine oil is the lifeblood of your vehicle. Back to oil, ...

Motor oil is one of the most important fluids in your vehicle. The purpose of motor oil is to reduce friction and keep a vehicle's engine clean and corrosion-free. Another critical function is to ...

Changing your own oil, while simple in principle, is often a rather deceptively nuanced task in one key area: selecting which oil is best for your vehicle. For instance, there's a huge variety of ...

We get a lot of mail around the office, and one of the leading topics is in regard to engine and transmission fluids. Specifically, readers want to know more about synthetic-made oils versus petroleum ...

When it comes to vehicle maintenance, engine oil remains one of the most fundamental yet critical components. It plays a key role in reducing friction, regulating heat, and protecting engine ...

Changing fluids in a pickup truck has been necessary since the first one rolled off the assembly line more than 100 years ago. Vehicles — and what goes into them — are constantly changing and ...

Craig has worked in automotive media for nearly 20 years, producing content for publications ranging from Autoline and AutoGuide to Roadshow by CNET and EV Pulse. Aside from writing, he’s also ...

Choosing between full synthetic and high-mileage oil isn't about chasing the perfect product. It's about understanding what your engine actually needs at its current point in life. As engines rack up ...