Synthetic oil is a go-to choice for many vehicle owners, but does it improve fuel economy? If better mpg is your goal, here's ...

When it comes to the topic of synthetic oils for your vehicle, you’ll likely hear plenty of opinions that are divisive ...

Unlike other oils that we’ve reviewed—and most synthetic oils, for that matter—Pennzoil is made from natural gas, not crude oil. In fact, it was the first-ever motor oil made from natural gas.

Synthetic oil used to be something only performance cars ... An easy way to remember is to do it every other time you fill up the fuel tank, or roughly once a month. If your mechanic says that ...

It can be tempting to spend money on high-end synthetic oil changes for your car, but is it actually worth the extra cost you ...

A fully synthetic oil uses no petroleum-based additives, instead deriving its manufacturing through alternative processes such as refinement from natural gas. This results in an exceptionally pure ...

However, synthetic oils can be formulated to flow ... oil consumption—it results in thicker oil, which decreases fuel economy. Oil companies’ use of additives is another approach to improving ...

It's not going to instantly corrode everything inside your engine, or turn into chlorine gas or anything, but it will reduce the synthetic oil's lifespan and performance. So, yeah, mixing ...

Last week we explained the basics of motor oil, from viscosity to additives and everything in between. Now it’s time to tackle a much more contentious issue: synthetic versus conventional.