The EPA's Clean Power Plan sets strict limits on carbon pollution from existing coal-fired power plants. The Georgia Institute of Technology's Marilyn Brown, one of the authors of the study, says that if states make smart choices, residents will reap the rewards of a cleaner environment and energy costs will drop. "If CO2 emissions are reduced by using energy efficiency and renewables, some natural gas, cutting back more radically on coal, you can both meet the EPA regulations and also provide electricity bill savings to households," Brown says. The study says it's up to states to implement smart choices about energy generation. Read the full article here.