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 ...

They might, but synthetic fuel is unlikely to ever require as little energy as the current method of sucking oil out of the ground and distilling it into gasoline. Combustion's low thermal ...

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.

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 ...

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.

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 ...

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 ...

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 ...