Selecting the right engine oil can be challenging. Between the various different brands and the confusing numbers and oil classifications, you may feel overwhelmed while staring at hundreds of bottles ...

High-mileage engines need more maintenance attention, but does that mean you should use thicker oil? Before adding any, ...

Oil is a vital component for engines of all types. Not only is it responsible for providing lubrication to numerous moving interior parts, but it also helps prevent friction and the development of ...

There's a new head of the committee developing the new heavy-duty engine oil classification, known currently as PC-11 for proposed category 11. HDT talked to Shawn Whitacre to find out what fleets ...

With less than a year to go before licensing is scheduled to begin, a much clearer portrait of the new engine oil category that will enter the market in conjunction with new federal emissions ...

While there are other nuances to motor oil classifications that need to be understood before changing or topping off the oil in your car's engine, one of the first things to address is the viscosity, ...