While some lubricants need only a single component, such as a rust inhibitor, engine oils demand a complex mix of chemistries. The key additives expla ...

Theyre about 20 percent of whats in engine oils, and 15 percent or less of industrial lubes. What do additives do - and why are the worlds biggest sup ...

Automakers are satisfied that low-phosphorus engine oils deliver the wear protection they need. That's cold comfort to the engine rebuilders and car g ...

Today's engine oils do a great job, thanks to this workhorse additive. Here's a close look at ZDDP, and why some drivers and engine rebuilders insist ...