What is Refinery Oil Sludge, Why is it Toxic, and How is it Disposed Of? Vast amounts of refinery oil sludge are produced from the process of crude oil refining. Refinery oil sludge contains toxic ...

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 ...

Firefly Green Fuels' wet-to-jet platform transforms sewage into sustainable aviation fuel using hydrothermal liquefaction, ...

DETROIT (Reuters) - Toyota has agreed to settle a class action lawsuit that claimed oil sludge build-up damaged the engines of some Toyota and Lexus vehicles sold in the United States. The settlement ...

Toyota Motor Sales U.S.A. Inc. has reached a tentative agreement to settle a nationwide class action by Toyota and Lexus owners who complained their car engines were damaged by oil sludge. A federal ...