Motor oil has quietly become one of the most important choices car owners make, especially as vehicles routinely cross ...

Once upon a time, synthetic engine lubricants were considered exotic and used in only the most rarified performance engines. In fact, one of the companies discussed here, AMSOIL, was the first company ...

SAN RAMON, Calif.--(BUSINESS WIRE)-- Today Chevron Products Company, a division of Chevron U.S.A. Inc., introduced Delo® 400 XSP SAE 15W-40 with ISOSYN® Advanced Technology™, a new full synthetic, ...

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

We may receive a commission on purchases made from links. If your vehicle is due for an oil change, the oil of choice is either synthetic or conventional motor oil. But if your car's odometer is over ...

ABU DHABI, UAE, Dec. 7, 2025 /PRNewswire/ -- Shell today unveiled the upgraded Shell Helix Ultra Lightning ('Lightning 2.0' hereafter) engine oil in Abu Dhabi. As the selected engine oil for the ...

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

High-mileage oil isn't some secret elixir reserved for 20-year-old Honda Civics with a mystery stain on the headliner and 3.5 working speakers. It's real. And it serves a purpose — mainly for engines ...

Home mechanics have been pouring vegetable oil into engines for years, sometimes in the fuel tank, sometimes straight into ...