Primer on GHG Regulation under the Clean Air Act: NSPS Rulemaking Process

Author(s): Brooks Rainey Pearson and Jonas Monast

Published: March 2011

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In December 2010, the U.S. Environmental Protection Agency entered into two settlement agreements requiring it to incorporate greenhouse gas emissions into the new source performance standards (NSPS) for natural gas, oil, and coal-fired electricity-generating units and petroleum refineries. This primer provides a general overview of the NSPS rulemaking and implementation process.