The Sierra Club is asking an Illinois appeals court to overturn a state board's ruling that allows Dynegy Inc. more time to install soot controls on five coal-fired power plants it recently acquired. The appeal was filed Dec. 26 and recorded today by the 4th District Appellate Court. It seeks reversal of the Illinois Pollution Control Board's Nov. 21 decision to give Dynegy until 2020 to install state-required controls on sulfur dioxide emissions. The board agreed 3-1 that requiring significant pollution controls on the plants by 2015 would be a financial hardship. Holly Bender is deputy director for the Sierra Club's Beyond Coal Campaign. She says the board's ruling went against the evidence and sets a ``dangerous precedent.'' Dynegy spokeswoman Katy Sullivan says the variance is more stringent than one granted to Ameren.
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