Are thin motor oils shortening your engine's life? Discover the truth behind the 0W-20 claims and how to properly protect ...

The new API PC-12 heavy-duty engine oil category reflects the changing demands of modern diesel engines. But fleets like ...

It’s an advanced, next-generation engine oil standard focusing on ultra-low viscosity oils for modern engines. When purchasing oil, look for the API Service Symbol "Donut" on the label, which is an ...

Motor oils all make big promises, but this test puts those claims under pressure. We compared performance, protection, wear resistance, and value to find out whether expensive oils really make a ...

If you're checking your dipstick and notice that the engine oil color is blue and green, you may wonder if it's cause for ...

We may receive a commission on purchases made from links. Turbocharged engines are nothing new — the systems have been around since the late 1800s, first applied to airplane engines and eventually to ...

If you own a Cummins-powered vehicle, there's only one name you'll consistently hear when it comes to engine oil: Valvoline Premium Blue. The product is the only engine oil exclusively endorsed and co ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...