Diesel engine oil additives are popular add-on layers of protection, but many of their cornerstone benefits are already engineered into base lubricants. Brian Humphrey, OEM technical liaison for Petro ...

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 ...

March 14, 2009 – We get a lot of press releases and most of them go directly to the bitslag bucket, but this one seems interesting, so take a look and let us know what you think. UPDATE: New Test: ...

Lubricants naturally deteriorate while in use as a result of factors like oxidation, thermal degradation, and contamination. Oxidation is far and away the most significant cause with regards to ...

Synthetic oil is worth the extra cost for most drivers. It lasts 7,500 to 15,000 miles between changes compared to 3,000 ...