The fatal explosion at U.S. Steel’s Clairton plant renews debate over safety, modernization, and Nippon Steel’s future ...

Explore the recent preliminary findings that reveal the cause behind the devastating explosion at Clairton Coke Works.

HARRISBURG, Pa. (AP) — The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate about its future just as the iconic American company was emerging from a ...