BOULDER, Colorado, Aug. 30 -- Western Resource Advocates issued the following news release: PHOENIX - Western Resource Advocates filed a complaint today with the Maricopa County Superior Court requesting it overturn a decision by the Arizona Corporation Commission allowing UniSource Electric to build a 200-megawatt methane gas plant expansion without obtaining a certificate of environmental compatibility. The Commission decision, which overturned a 9-2 ruling by the state's Power Plant and Tra  more