Last year, Marathon Petroleum Co. got a clean bill of health for about 15 acres once used to dispose of oily sludge at the company's Garyville refinery, and Tuesday, it got the same clearance for two ...

Brazilian independent power generator Epasa faced significant environmental and operational challenges with heavy fuel oil sludge. Through innovative engineering and problem-solving, the company ...

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 ...

It's black. It's viscous. It looks a lot like crude oil. Yet, it doesn't come from drilling, but from sewage sludge. Danish startup Mash Biotech has found a cost-effective method for converting one of ...

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 ...