Citgo, the former owner of a Philadelphia-area asphalt refinery, is liable for millions of dollars in cleanup costs stemming from a Delaware River oil spill in 2004, the U.S. Supreme Court ruled this week.

The spill was caused when a tanker approaching the Citgo refinery dock in Paulsboro, New Jersey, struck a submerged anchor. The anchor tore the vessel’s hull, leaking an estimated 264,000 gallons of heavy crude oil into the Delaware River.  Read more.…