Largest East Coast oil refinery goes bankrupt, blaming 'broken' EPA rules Philadelphia Energy, which agreed to a chapter 11 plan with its top lenders, hopes to gain judicial approval for its reorganization plan by the end of February Maddie Mckinley / Wednesday, January 31, 2018 0 1972 Article rating: No rating The largest oil refinery along the U.S. East Coast filed for bankruptcy protection on Sunday, blaming its downfall on "broken" environmental rules. Read more