Tag Archives: Greenhouse Gas

Proposed Affordable Clean Energy Rule: Navigating US EPA’s Clean Power Plan Replacement

On August 31, 2018, the US Environmental Protection Agency (US EPA) published its proposed rule providing a replacement to the Clean Power Plan (CPP).  The proposed rule, named the Affordable Clean Energy (ACE) rule, outlines revised emissions guidelines and the process for states to submit plans for the reduction of greenhouse gas (GHG) emissions from affected … Continue Reading

New US Standards to Reduce Emissions and Improve Fuel Efficiency of Medium- and Heavy-Duty Vehicles

As the result of a joint rulemaking effort, the US Environmental Protection Agency’s (US EPA) Office of Transportation and Air Quality and the US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) finalized new standards for medium- and heavy-duty vehicles and their engines on August 16, 2016. Included among the types of vehicles affected by … Continue Reading

US EPA Issues Second Direct Final Rule on Greenhouse Gas Permitting in Light of DC Circuit Ruling

As we previously reported, in May 2015 US EPA issued a direct final rule allowing for the rescission of certain preconstruction (“PSD”) permits issued by US EPA and delegating permit review authority to states under Step 2 of the Greenhouse Gas (“GHG”) Tailoring Rule.  Step 2 of the Tailoring Rule set in motion PSD permitting for “GHG-only” sources, meaning sources permitted solely … Continue Reading

US EPA Greenhouse Gas Permitting Update

As we reported last summer, the US Supreme Court ruled that US EPA lacked authority to impose Prevention of Significant Deterioration (PSD) and Title V permitting requirements under the Clean Air Act (CAA) on facilities based solely on their emission of greenhouse gases (GHGs).  Since that decision there have been many questions about how sources of GHG … Continue Reading
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