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 ...

Motor oil has quietly become one of the most important choices car owners make, especially as vehicles routinely cross ...

Many years ago I foolishly drove a car at least 25,000 miles without changing the oil. I guess I figured I’d wait until the red light on the dashboard lit up, and then I’d know I needed fresh oil.