WASHINGTON - The U.S. Supreme Court won't hear a challenge to a tough new clean air requirement limiting sulfur dioxide emissions.
The country's highest court refused Tuesday to hear an appeal from businesses and industrial interests involving an Environmental Protection Agency regulation setting emission levels of sulfur dioxide
Sulfur dioxide from power plant smokestacks can be carried long distances by wind and weather and has been linked to various illnesses including asthma.
Several corporations and industrial associations along with several states say that EPA's required emission levels are lower than mandated by law to protect public health.
But the Supreme Court justices refused to reconsider a lower court's ruling that refused to overturn the EPA's decision.
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