U.S. Steel seeking exemption from Biden-era emissions regulations

Numerous companies are appealing to President Trump regarding provisions of the Clean Air Act.

U.S. Steel is among the industrial polluters seeking exemptions to Biden-era requirements to reduce emissions of toxic chemicals.

The Pittsburgh-based company, with its Mon Valley Works, is taking up the Trump administration on its offer to request a two-year presidential pass on recently updated provisions of the Clean Air Act.

Specifically, it’s asking for exemptions on coke, taconite and integrated i...