In addition to the text of the proposed rule, EPA issued a Regulatory Impact Analysis for the Clean Power Plan, 4
along with numerous technical supporting documents and fact sheets.5 In October 2014, EPA issued a
notice of data availability, which provided discussion and solicited additional
comment on several topic areas, including the 2020 - 29 compliance trajectories.6 Also in October 2014, EPA issued a supplemental proposal to address carbon pollution from affected power plants in Indian Country and U.S. territories.7 In November 2014, EPA issued an additional technical support document providing examples of how a state could translate its rate - based goal into an equivalent mass - based goal, expressed in metric tons of CO2.8 In November 2014, EPA also issued a memo addressing biogenic CO2 emissions from stationary sources that explicitly relates this topic to the implementation of the Clean Power Plan.9