Mandatory Reporting of Greenhouse Gases - Petroleum and Natural Gas Systems - Final Rule (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) The Law Library presents the complete text of the Mandatory Reporting of Greenhouse Gases - Petroleum and Natural Gas Systems - Final Rule (US Environmental Protection Agency Regulation) (EPA) (2018 Edition). Updated as of May 29, 2018 EPA is promulgating a regulation to require monitoring and reporting of greenhouse gas emissions from petroleum and natural gas systems. This action adds this source category to the list of source categories already required to report greenhouse gas emissions. This action applies to sources with carbon dioxide equivalent emissions above certain threshold levels as described in this regulation. This action does not require control of greenhouse gases. This book contains: - The complete text of the Mandatory Reporting of Greenhouse Gases - Petroleum and Natural Gas Systems - Final Rule (US Environmental Protection Agency Regulation) (EPA) (2018 Edition) - A table of contents with the page number of each section