White House's Zichal discusses EPA efforts on greenhouse gas regulations

How will last week's announcement of U.S. EPA's proposed rule for new power plants influence next year's anticipated rule for existing sources? During today's E&ETV Event Coverage of a Bipartisan Policy Center Energy Project event, Heather Zichal, deputy assistant to the president for energy and climate change, gives context to last week's move by EPA and discusses the future of air regulations coming out of the agency.