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 ...

Synthetic oils have caused countless debates and confusion across nearly every automotive forum, and often with good reason. Legally, the term “synthetic” has a pretty loose definition. While some ...

Motor oil myths are more than harmless garage folklore. When drivers follow bad advice about oil changes, viscosity, or ...

Synthetic engine oil typically costs 2 to 4 times as much as conventional mineral oil, but it is definitely cheaper than an engine or a vehicle. The US military exclusively uses synthetic oil in all ...

A car can’t function without the oil. This is because the moving parts will be worn out due to friction. The oil also helps in reducing the build up of heat in the engine. It actually serves as ...

Choosing the right motor oil is paramount to car maintenance. It's not a particularly exciting task, whether shopping for or changing your oil, but if you don't pay the proper attention, then you aren ...

Semi-synthetic and synthetic blend oil sound very similar -- and they are -- but how can you tell the difference between the two? And which is best?

A persistent debate around synthetic motor oil is whether it can be used in old cars. In this Engineering Explained video, Jason Fenske clears things up. The video is part of a series sponsored by ...

Its pretty amazing when you think about itall those metal parts spinning away furiously but never making contact. Oil makes it all possible. In addition to serving as a buffer against wear, oil also ...

Q: I have a 1994 Toyota Celica and have always used conventional oil. Should/can I change to synthetic? Can I mix the two? Car Doctor: How to spot a 'flood' car before you buy Car Doctor: Can you give ...

Technically, the first synthetic oils were produced in 1877, which was about a decade before the first patented motor car arrived in 1885. Despite this, the former didn't find its way into the latter ...

I’ve been getting a lot of mail regarding using synthetic motor oil in vehicles. Questions such as: Should I use synthetic oil? Does it work better in some cars than others? Does it cost more? Do I ...