An oil production flare, also called a flare stack, is seen in a Wednesday, May 14, 2014 aerial image taken near Karnes City, Texas. This week, the American Petroleum Institute, the largest oil and gas lobbying group in Washington, announced the launch of a program aimed at reducing emissions of methane from oil and natural gas production. Photo: William Luther /San Antonio Express-News / © 2014 San Antonio Express-News