StateImpact Pennsylvania Last week, U.S. Steel announced it would abandon a $1.5 billion investment in its Clairton Coke Works and two other Mon Valley plants. Local labor and industry are still reeling from “Honestly, I’m not sure who to blame for this, and that’s why I’m asking questions – I’ll be speaking with folks at the company very soon,” the Republican said. “And I think we do want to understand what could have happened here, because it certainly seemed like a great project that had a lot going for it.” “Why did this look like a good project two years ago, and then two years later it’s all over?” Toomey asked.