The U.S. Chemical Safety and Hazard Investigation Board provided an update Monday on its investigation into the fatal U.S.

HARRISBURG, Pa. (AP) - Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near Pittsburgh that left two dead and sent 10 to hospitals, the ...

Hydrogen is increasingly gaining attention as a promising energy source for a cleaner, more sustainable future. Using hydrogen to meet the energy demands for large-scale applications such as utility ...