Chevron Products Company has announced the introduction of Ursa Super Plus EC SAE 10W-30 motor oil to the United States and Canada. This new heavy duty motor oil is designed to help improve fuel ...

SAE 10w-30 is gaining popularity in heavy-duty applications for fuel-efficiency advantages and a number of engine reliability advantages. Here's what to expect as engines and applications evolve.

Any kind of oil should work in a gas-powered pressure washer, right? Our expert has the answer to that and other pertinent ...

Chevron's Ursa Super Plus EC SAE 10W-30 heavy-duty motor oil helps protect engine components against wear and corrosion, and has tested to show improved fuel economy relative to SAE 15W-40 diesel ...

Gambrill noted that third-party testing Chevron conducted showed that its new Delo 15W-30 blend offers comparable fuel economy to SAE 10W-30 Class 6 stop-and-go truck applications and up to 0.7 % ...

For example, in 10W-30 oil — in which the “W” means “winter” — behaves like an SAE International 10 viscosity rating at low temperatures and an SAE 30 viscosity rating at high ...

Shell Rotella T6 10W-30’s formulation is designed to provide better wear performance compared to conventional and synthetic blend Shell Rotella 15W-40 and 10W-30 products.

Motor oil comes in a variety of forms, designated by pairs of numbers, but the most common two are 10W-30 and 10W-40. What's the difference between them?