In this April 25, 2012 photo, Nexen chief executive Kevin Reinhart addresses the company's annual meeting in Calgary, Alberta. Oil and gas producer Nexen Inc. has agreed to be acquired by China National Offshore Oil Company for US$15.1 billion cash. (AP Photo/The Canadian Press, Jeff McIntosh)

Koch, Exxon And Other Big Oil Spend $141 Million Lobbying Washington For More War

Fossil fuel lobbyists are also fighting to put new restrictions on clean energy alternatives such as solar and wind power.