The study pertains largely to the disposal of coal ash, which is a general term for the byproducts produced while burning coal, according to the U.S. Environmental Protection Agency. Coal ash is ...

LG&E and KU, Kentucky's largest utility, has called on the Trump administration to retreat on Biden-era rules related to coal ash management and greenhouse gas emissions from power plants.

The growth can be attributed to the rising usage of fly ash in concrete in place of Portland cement, increasin ...

Two energy companies with Ohio ties have asked the Trump administration to roll back regulations on greenhouse gas emissions and coal ash. Officials with 10 energy companies signed a Jan.