The Western Fuels Association is a $400 million consortium of coal suppliers and coal-fired utilities, based in Westminster, Colorado. Western Fuels Association supplies coal and transportation services to consumer-owned electric utilities in the Great Plains, Rocky Mountain and Southwest regions. In 2011 Western Fuels Association supplied approximately 19.4 million tons of coal to its members through its three mining operations; the Dry Fork Mine located in Gillette, Wyoming, The Colowyo Mine in Northwest Colorado, and the New Horizons Mine located in Nucla, Colorado. Western Fuels Western Fuels Association uses collective advocacy to represent industry interests including membership in Western Coal Traffic League, National Coal Transportation Association, CURE and the National Mining Association. In May 1994 Richard Lindzen, Patrick Michaels, and Robert Balling served as expert witnesses on behalf of Western Fuels Association in St. Paul, Minnesota to determine the environmental cost of coal burning by state power plants.