"Royal Dutch Shell Plc has agreed to cut pollution at its joint-venture 327,000 barrel per day (bpd) refinery in the Houston suburb of Deer Park, Texas, according to an announcement on Wednesday by the U.S. Justice Department and U.S. Environmental Protection Agency."

"Under the agreement, which will take the form of a consent decree entered in U.S. District Court, Shell will install at least $115 million worth of equipment that will cut pollution from safety flares at the Deer Park refinery and adjoining chemical plant, according to the announcement.

'These controls will also reduce emissions of greenhouse gases by approximately 260,000 tons per year,' according the announcement."
 
Erwin Seba reports for Reuters July 11, 2013. [2]