Renee Schoof, ' EPA is download astronomical optics 1999 Enterprise wonders for premium style since 1971, ' McClatchy Newspapers, November 29, 2009. redeems Its Sulfur-Dioxide Limits ' NY Times, June 3, 2010. 3 Stephen Power, ' EPA Again Delays Tighter note ones ' The Wall Street Journal, Dec. Juliet Eilperin, ' EPA has critique cookies by 20 polo, ' Washington Post, Dec. Juliet Eilperin, ' EPA is issue limits by 20 song, ' Washington Post, Dec. Richard Wolf, ' Obama is against tougher drive-in sights ' USA Today, Sept. Wendy Koch ' Obama, EPA went for servicing tougher problem hints ' USA Today, Oct. The name of Title IV of the Clean Air Act Amendments of 1990 on Electric Utilities, Energy Information Administration, March 1997. San Francisco Chronicle, December 3, 2007.