Proposed GHG reporting for petroleum and natural gas production - Subpart W

March 22, 2010 "(P)roposed rule for the mandatory reporting of vented and fugitive methane (CH4) and carbon dioxide (CO2) emissions from petroleum and natural gas industry facilities emitting 25,000 metric tons or more of carbon dioxide equivalent per year."

Greenhouse Gas Reporting Rule Regulatory Initiatives Climate Change U.S. EPA