Environmental Groups Say Exxon Violates U.S. Air Laws

HOUSTON - (AP) The largest U.S. oil refinery violated federal air pollution laws thousands of times during the last five years, releasing 10 million pounds of illegal pollution, including cancer-causing toxins, without facing proper fines or being forced to fix equipment, environmental groups claim....

Federal Court Won't Dismiss Lawsuit Against Exxon Mobil

HOUSTON - (AP) A federal court will allow environmental groups to pursue a lawsuit that accuses the largest U.S. refinery of violating federal air pollution laws thousands of times in the past five years. The U.S. District Court Southern District on Tuesday dismissed a request by Exxon Mobil Corp. to...