Dive Summary:

• MidAmerican Energy Co. has settled with the Sierra Club over alleged Clean Air Act violations at three coal-fired power plants in Iowa.
• The settlement dictates that MidAmerican will complete the installation of bag houses at units 3 and 4 of the Neal Energy Center North by the end of 2014; the company also said it would stop burning solid fuel at the Riverside Generating Station and switch to natural gas.
• In addition to the settlement, the utility has agreed to fund and implement a supplemental environmental project and will install a 60-kW solar project at the Iowa State fairgrounds.

From the article:

Under the settlement terms, MidAmerican will complete the installation of baghouses at units 3 and 4 of the Neal Energy Center North by Dec. 31, 2014. That work was already in progress by the time the settlement was reached. The company will also stop burning coal at boilers 1 and 2 at Neal; boilers 1 and 2 at Walter Scott Jr. Energy Center, and is evaluating the use of other fuels such as natural gas for continued operations at these facilities. The company said it would stop burning solid fuel at the Riverside Generating Station and switch to natural gas. ...