Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon ...

A mechanic cracked open a neglected engine and what he found was brutal.

Most people are familiar with the importance of oil for the internal combustion engines that power our modern vehicles. The petroleum-based fluid is designed to provide lubrication to the vast amount ...

Oil sludge treatment and recovery remain critical challenges in environmental remediation and resource recovery, due to the hazardous nature of sludge generated in petroleum refining and related ...