Cleveland Cliffs announced it plans to put off relining its blast furnace at its Burns Harbor facility until 2027. Blast furnaces use coking coal to convert iron ore into molten metal. The process produces a lot of air pollution and uses a lot of energy.

A Northwestern steel plant announced plans to delay relining a blast furnace in Burns Harbor, Indiana. This comes after calls from advocates to abandon its plan to lock in “dirty” steel techniques.

The rule would tighten some emissions limits and regulate five new pollutants at sinter plants which use iron ore dust and other materials to make a product for use in steel blast furnaces.

The explosion Sunday in a raw materials section of the sprawling Cleveland-Cliffs Indiana Harbor West mill on the Lake Michigan shoreline “was caused by rainwater meeting the hot slag.”

The Environmental Protection Agency hopes states like Indiana will use new greenhouse gas inventory tools to reduce their emissions.

Indiana releases the most toxic pollution per square mile and the state's top three emitters are steel companies.

The state of Indiana announced Wednesday that Alliance Steel plans to invest $19.7 million in Gary, about 25 miles from its plant in Bedford Park, Illinois.

Details weren't announced pending ratification meetings, which are expected take place in coming weeks. But the union says the deal includes only some of the company's Indiana workers.

Steelworkers say they're not benefiting from the industry's rising prices and profits, brought on partly by the Trump administration's tariffs on steel imports.

Company and government officials say the project will help preserve Gary Works' nearly 3,900 steelworker jobs and could help ensure the 112-year-old mill lasts another century.