Frederick News-Post: Maryland seeks EPA’s help to clear the air with other states

Maryland utilities have invested billions of dollars to improve air quality in the state, but those efforts won’t mean as much if other states don’t do their part to reduce their own power-plant emissions.

That’s why the Maryland Department of the Environment filed a petition with the U.S. Environmental Protection Agency last week to require power plants in a handful of nearby states that affect Maryland’s air quality to make better use of their own smog controls…

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