Proposed Federal Smog Rules Could Affect Minnesota

November 28, 2014 1:51 PM

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Proposed Federal Smog Rules Could Affect Minnesota

ST. PAUL (AP) – Tighter federal air pollution rules aimed at reducing smog and the health risks from it could affect Minnesota.

Minnesota currently complies with the federal ozone limit of 75 parts per billion. But the Environmental Protection Agency on Wednesday proposed lowering that limit to between 65 and 70.

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