Motor oils are broadly categorized into fully synthetic, conventional, and synthetic blends (also called semi-synthetic or part synthetic), with semi-conventional and high-mileage full synthetics ...

I have a 2015 Nissan Rogue with 30,000 miles on it. I’ve done all the oil changes as called for. So far, I’ve always used a synthetic blend oil. At my last oil change, however, they used a full ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and ...

Aside from diesel fuel, engine oil might be the most critical fluid in a truck because it influences two of the top three equipment-related costs for fleets: fuel and maintenance. And with various ...

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

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 ...