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The EPA is keeping mum about its plans to address emissions of smog-forming pollutants that prevent downwind states from meeting federal ozone pollution requirements.
The proposal was submitted June 18 to the White House Office of Management and Budget for interagency review before being publicly released.
The Environmental Protection Agency acknowledged in a brief summary of the proposal that it partially addressed what is known as the Clean Air Act’s good neighbor provision as part of its 2016 update to the Cross-State Air Pollution Rule, an interstate emissions trading program.
The agency stopped short of saying what it plans to do in the upcoming rulemaking.