If you've ever removed your oil cap during a routine check or oil change and noticed a creamy white or yellowish, almost mayonnaise-like substance underneath it, you're not alone. You'd be well within ...

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 ...

Toyota Motor Corp., plagued for years by claims that engines in some of its most popular vehicles were subject to damaging oil sludge buildup, has settled a class-action lawsuit over the issue. The ...

DETROIT - In the latest example of Volkswagen of America Inc.'s quality woes, the automaker is warning 426,000 VW Passat and Audi A4 owners of an engine oil sludge problem. Affected are 1.8-liter ...

Wärtsilä has received a major order from Swedish shipowner Laurin The contract, signed in March 2008, calls for six Wärtsilä Senitec M1000 oily water separation units to be delivered in mid April 2008 ...

ROCKDALE, Ill. — An Environmental Protection Agency spokesman said environmental impact is minimal after a 65,000-gallon oil waste spill in southwest suburban Chicago. EPA spokesman Jim Mitchell said ...