While the decision does not change the outcome that compliance has either been reached or will be reached by most electric utilities in 2016, it sets a precedent for other EPA rulings, which are in progress
The Supreme Court ruled on June 29, 2015, that the Environmental Protection Agency (EPA) must consider costs before determining to regulate mercury and other toxic emissions from fossil fuel-fired power plants.(i] EPA contended that, under the Clean Air Act, it only need to consider public health when making the initial decision to regulate those emissions.
