Costco sells house-brand motor oil under the Kirkland Signature label it uses for many other products. Does this oil pass the ...

Best diesel engine oil: Shell Rotella T6 Full Synthetic Diesel: Synthetic: 1 gallon/5 gallon: ... If an oil meets the American Petroleum Institute's engine oil standards, it'll have this label.

There's a lot of hooha on most motor oil labels, but the basic facts remain the same. The most important is the weight or viscosity: 5W-30 in these examples. Amazon/CNET ...

Amazon is now in the oil business. With the release of its Amazon Basics Synthetic Motor Oil, Amazon has effectively entered into an industry ripe for disruption. A report from Market Watch ...

In addition to the oil type, you'll want to pay attention to the API service category and viscosity ratings shown on the labels of even the best motor oil brands before pouring them into your engine.

The lubricant must meet the requirements of the specific engine. Otherwise, it might not provide proper protection or could ...

Designer‑water jokes and eye-rolls aside, the purple jug isn't cheap. Expensive oil is often a waste of money and a 5‑quart jug of Royal Purple can run $5 to $15 more than Mobil 1 and even ...

Understanding the classifications of motor oil, the number and letter combinations found on the label convey its viscosity, or ease of flow at different temperatures.The grade of oil best suited ...

Using fake or low-quality engine oil at a cheap price not only damages vehicle engines and compromises driving safety but ...

Engine oil additives make all sorts of promises about helping your vehicle's motor last longer and increasing your gas mileage. Here's what you need to know.

Even plug-in hybrid electric models (PHEVs), which saw a 52.8 percent increase in new registrations from 2023 to 2024, ...