Back in the early 20th century, there were only five motor oil grades. Today, there are more than a dozen for various types ...

Nobody likes it when their truck's diesel particulate filter gets clogged, forcing a lengthy regen. The API's new PC-12 ...

Every result may be recorded accurately, but the standings would be meaningless (and the fan chaos meaningful) because the ...

Castrol is known among car enthusiasts and everyday drivers alike as one of the industry's best motor oil brands. The company's lineup includes EDGE, GTX, and GTX Full Synthetic — oils for a wide ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Costco has started limiting purchases of some motor oils after sharply ...

Zulu Pods has completed altitude testing of its ZPOD lubrication system on a 200-pound-force-class ...

API CEO Mike Sommers discusses rising crude oil prices, falling U.S. petroleum reserves and energy supply disruptions. He analyzes potential policy changes to boost domestic refining capacity and ...

Wholesale retailer Costco has limited member purchases of motor oil to two units per week and raised the price. Oil prices have risen amid ongoing conflict in the Middle East and most recently Saudi ...

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Costco has begun limiting how much motor oil each member can buy, imposing a two-per-customer, per-week cap on its Kirkland Signature full-synthetic as prices climb alongside a shrinking global supply ...

For a warehouse retailer famous for selling items in endless bulk, imposing strict purchasing limits is a massive red flag. But if you plan on doing a driveway oil change this weekend, you are in for ...

Here in 2026, everything is getting more expensive. So it probably won’t come as any great surprise that even Costco, the wholesale retailer renowned for low prices and letting you return practically ...