As we wrote about previously, in February 2016 the International Civil Aviation Organization (ICAO) proposed international standards to limit the emissions of greenhouse gas (GHG) emissions from airplane engines.  Last week, the EPA finalized the first step to create domestic emissions standards for airplanes when it officially found that GHG emissions from certain types of aircraft engines contribute to climate change.  Now that EPA has issued this determination — known as an “Endangerment Finding” — it is required to regulate these emissions under the Clean Air Act.  EPA may propose new domestic emissions rules before the end of President Obama’s term and it has announced the limits will be at least as stringent as the international standards ICAO proposed in February.
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The Clean Power Plan continues its surprising path to becoming the law of the land. On May 16, the D.C. Circuit Court of Appeals on its motion issued an order to delay oral argument in the Clean Power Plan rulemaking and hear the case en banc. The oral arguments were scheduled for June 2 and 3, and are now set to begin on September 27. Presumably the argument will be allotted two days, but the court notes that it will issue further orders regarding the allotment of time for oral argument.
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