Guidance on Cost Effective Energy Efficiency - GHG Reduction Options

U.S. Environmental Protection Agency (EPA) is issuing guidance and tools to help state and local air permitting authorities identify cost-effective pollution reduction options for greenhouse gases (GHGs) under the Clean Air Act. These tools are part of EPA’s approach to GHG permitting of the largest emissions sources outlined this spring in the Tailoring Rule.

EPA is recommending that permitting authorities use the best available control technology (BACT) process to look at all available emission reduction options for GHGs. After taking into account technical feasibility, cost and other economic, environmental and energy considerations, permitting authorities should narrow the options and select the best one. EPA anticipates that, in most cases, this process will show that the most cost effective way for industry to reduce GHG emissions will be through energy efficiency.

The guidance does not define or require a specific control option for a particular type of source because BACT is determined on a case-by-case basis. The guidance and resources provide the basic information that permit writers and applicants need to address GHGs and provides examples of how permitting requirements could apply.

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