There's a lot of information on the packaging for your engine's motor oil, but the S designation may be one of the most important to look for.

Zinc additives are fairly common in oil, especially when treating a classic or high milage engine, but what does the additive ...

Read more: 4 Cheap Tools That'll Make Cleaning The Inside Of Your Car's Windshield Easy Understanding motor oil specs is very important for people who would rather work on their own cars at home ...

Q&A: Chevron Chief Engineer Shawn Whitacre on Heavy-Duty Engine Oil Trends Shawn Whitacre, Chevron Lubricants' principal engineer, talks with HDT about synthetic heavy-duty engine oils and what a ...

Oils do more than just lubricate our cars’ engines—they help protect all the internal components and keep the powertrain ...

Demands on heavy-duty diesel engine oils have changed alongside engine technology and fuel formulations. “As engine technology and fuel technology have evolved, the environment in the crankcase ...

In the era of quick-change oil shops, it's easy to overlook what's actually going into your vehicle's engine. After all, the folks doing the work are the experts, so there's no need to really have ...