EPA Delays One of the Agency’s Most Expensive Regulations Ever


The Trump administration announced Tuesday evening it would delay the implementation of a smog rule that’s been called one of the costliest clean air regulations ever.

Environmental Protection Agency Administrator Scott Pruitt sent a letter to governors saying there’s “insufficient information” to fully implement the 2015 rule on its current timeline. The rule lowers the national ground-level ozone, or smog, standard from 75 to 70 parts per billion.

Pruitt said states would have an extra year to meet the tightened ozone standard, and the EPA would address concerns over outstanding issues, like background ozone and smog coming in from China and other …

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