US Outlines Timeline For GHG Regulation

The Environmental Protection Agency (EPA) in the US has written to ICAO outlining its plans to develop legislation that would enable it to adopt greenhouse-gas (GHG) standards in line with ICAO’s.

The Environmental Protection Agency (EPA) in the US has written to ICAO outlining its plans to develop legislation that would enable it to adopt greenhouse-gas (GHG) standards in line with ICAO’s.

In an information paper entitled “US Aircraft Greenhouse Gas Rulemaking Process” (PDF), the EPA confirms that the next step will be to complete an assessment of whether GHGs from aircraft “cause or contribute to air pollution that may be reasonably anticipated to endanger public health or welfare”.

The EPA says it expects to publish its findings in April 2015. If the EPA concludes that GHGs from aircraft endanger public welfare, it will then develop an Advanced Notice of Proposed Rulemaking (ANPRM) providing an overview of ICAO efforts to reduce GHGs and proposals of how to use the Clean Air Act to implement such standards in the US. The ANPRM is not expected to be published until spring 2016.

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