Projects totaling 500 MW in three states that resolved alleged federal permit and stormwater rule violations were built by Swinerton and a spinoff firm, which were not settlement parties but whose enforcement status EPA declined to confirm.
Utility says "first of a kind" utility-scale pilot at Kentucky coal plant could expand to ash impoundments at 20 other sites, pending environmental review and regulator approval.
The Oct. 14 crash on a Philadelphia bridge that killed union workers Victor R. Martins and Donato G. Fiocca remains under probe by the National Transportation Safety Board and other agencies.
US Environmental Protection Agency tougher rule that would cut emissions 87% below 2005 levels and update a 2021 proposal comes as UN launches a satellite-based system to scale up global efforts to detect and mitigate major emissions sources.