Foes of a new Pennsylvania Department of Environmental Protection (DEP) power plant carbon dioxide (CO2) emissions regulation won a court victory earlier this month suspending implementation. Regulators, however, are seeking to have the injunction overturned.

DEP and the state’s Environmental Quality Board (EQB) filed an appeal with the Pennsylvania Supreme Court this week after the lower Commonwealth Court granted a preliminary injunction on the CO2 Budget Trading Program, DEP communications director Neil Shader told NGI.

The mandate, aka Regulation 7-559, would add Pennsylvania to the Regional Greenhouse Gas Initiative (RGGI), a cap-and-trade program among Northeast and Mid-Atlantic states that is designed to curb power sector emissions.

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