Article Photos: Sierra Club releases maps showing Oklahoma coal plants could run afoul of emissions rules 1/2

Oklahoma Gas and Electric Co.'s Muskogee coal plant is shown in this photo from 2007. The Sierra Club said Thursday that a new analysis shows sulfur dioxide emissions from Muskogee and the Sooner plant near Red Rock may run afoul of new federal standards about to be implemented. <strong>PROVIDED - Provided</strong>