The Sierra Club believes Utah has allowed Rocky Mountain Power to run its Hunter coal-fired power plant for years without a valid air quality permit. The environmental group filed a complaint last week against the state Department of Environmental Quality (DEQ), alleging the power plantâs permit is invalid, because DEQ has not publicly reviewed the permit since 1998. Air quality permits, which set conditions for the release of emissions at power plants or businesses, must be renewed by DEQ every... <img src="http://mngislctrib.112.2O7.net/b/ss/mngislctrib/1/H.17--NS/0?&pageName=RSS" height="1" width="1" border="0" alt=""/> <iframe src="http://www.sltrib.com/csp/mediapool/sites/sltrib/pages/garss.csp" height="1" width="1" > </frame>