EPA Tweaks Air Rules for Minnesota Steel Furnace Emissions
Published Date: 4/24/2025
Proposed Rule
Summary
The EPA is updating pollution rules for U.S. Steel’s Keetac taconite plant in Minnesota to cut nitrogen oxide emissions. This change helps the plant use the best technology to keep the air cleaner. It affects the company’s furnace operations and aims to meet important clean air laws without extra costs for the public.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
EPA proposes NOx limit change at Keetac
The EPA is proposing to change nitrogen oxide (NOx) emission limits for the indurating furnace at U.S. Steel’s Keetac taconite plant in Keewatin, Minnesota. The change is intended to satisfy the Best Available Retrofit Technology (BART) requirement under sections 110 and 169A of the Clean Air Act and to let the plant use BART to reduce NOx and keep the air cleaner without extra costs for the public.
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