Motor oil additives promise less friction, better fuel economy, more power, and longer engine life—but the testing tells a ...

Maybe you've seen a mechanic in a movie dab their finger in motor oil and give it a taste to diagnose a car. Does this ...

When it comes to caring for cars we cherish, it’s better to play it safe than sorry. If you’re like me, you’ve been changing your oil every six months whether you’ve done 900 miles or 5,000, wondering ...

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 ...

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 ...

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 ...