U.S. Steel to Invest $1 Billion After Pollution-Control Lawsuit

U.S. Steel Corp.’s plan to invest more than $1 billion at two of its Pennsylvania plants helps alleviate two key complaints against the once-dominant company: it had under-invested until recently in its facilities and done too little to mitigate its emissions.

A new “sustainable” casting and rolling facility will be built at the Edgar Thomson Plant and a co-generation facility at the Clairton Plant, the Pittsburgh-based company said May 2 in a statement. The first investment will improve the “quality and attributes of its downstream products,” while the second facility will be “equipped with state-of-the-art emissions control systems.”

The announcement ...