Engine oil seems so simple. It's slippery. It keeps metal parts from fusing together. It's messy, especially when it has been squeezed, slung, and sprayed around the inside of a hot engine for ...

In the "What's That Stuff?" on motor oil, Steve Ritter mentions zinc dialkyldithiophosphates (ZDDP) as a key antiwear agent (C&EN, March 13, page 38). It has been used in motor oils for more than 60 ...

I fully understand that the vast majority of oil additives are nearly or completely worthless in modern engines. But I've noticed that most of the discussions on this say something like "no engine ...

Motor oil contains chemical additives that extend how long engines can run without failure, but, despite decades of ubiquity, how such additives actually work to prevent this damage have remained a ...

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...