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EPA Proposes Revisions to Two Obama-Era Rules: Effluent Limitations Guidelines and Coal Ash

The Environmental Protection Agency (EPA) has issued long-awaited proposed revisions of two 2015 Obama-era rules that apply to effluent limitations guidelines (ELGs) for steam electric power plants and coal combustion…


A New Technology for Bottom Ash Conversion Emerges
boiler-bottom-ash-grinder-conveyor-system

New environmental regulations have forced many coal power plant operators to consider alternative options for handling their boiler bottom ash. Although mechanical drag systems can often meet regulatory requirements, space…


EPA Urges States to Submit CCR Programs Even as Coal Ash Regulatory Overhaul Continues

The Environmental Protection Agency (EPA) on June 24 proposed to partially approve Georgia’s permit program for the disposal of coal combustion residuals (CCR). As it did so, it gave other…


[UPDATED] EPA Sets Schedules for Long List of Power Plant Regulatory Actions 

The U.S. Environmental Protection Agency (EPA) will act on a spate of power plant rules over the next year, its newly released agenda of regulatory and deregulatory actions shows. The…


Indiana Utility Will Close Coal Units, Transition to Renewables

Northern Indiana Public Service Co. (NIPSCO) last week told state regulators it plans to retire four coal-fired units at its Wheatfield plant by 2023, a coal-fired unit in Michigan City…