OAKESDALE, Wash. — Kellan DeMeerleer, a freshman at Oakesdale High School in southeastern Washington, is a finalist at the upcoming national FFA convention. DeMeerleer’s project, a comparison of ...

New EPA 2027 emissions rules also mean new diesel engine oil specs. A new generation of heavy-duty engine oils will feature lower viscosity, improved thermal resistance, and possibly longer oil drain ...

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 ...

Name brand oils carry a trusted name on their label while store brand oils are much cheaper. But does using one over the ...

The oil you put in your engine matters. After all, your engine contains many moving parts that must remain lubricated to work properly. Otherwise, your engine could develop some serious wear and tear.

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 ...

You walk into your local Dollar Tree and spot something unusual on the shelves -- a bottle of 5W-30 motor oil priced at $5.00. Your first instinct is probably, "If the deal is too good, think twice." ...

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 ...

Royal Purple's vivid motor oil doesn't just promise protection — it sells performance in a bottle. With claims of it being stronger than conventional oil, better oxidation resistance, and a Synerlec ...

We may receive a commission on purchases made from links. For an engine to work efficiently (or work at all, for that matter), one factor that has a huge bearing is the engine oil. This miracle liquid ...