A steel mill slag processer in Burns Harbor agreed to pay $190,860 in civil penalties for alleged violations of the Clean Air Act in a settlement with the U.S. Environmental Protection Agency.

BRADDOCK, Pa. — U.S. Steel says it has requested an air construction permit from the Allegheny Health Department as part of a new project. If approved, the permit would allow U.S. Steel to proceed ...

A worker loads a portable thermal battery onto a truck. The battery is charged using the waste heat from a biofuel plant and transported to an apartment block, where it provides heating for water.

The U.S. EPA is delaying standards for steel mill and coke oven emissions for about two more years. The agency previously sought strict standards for what steel mills emit, but new leadership is ...

This study reveals the effect and mechanism of microbial mineralization technology on accelerating CO2 fixation, improving soundness and enhancing hydration activity of steel slag Cement production is ...