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      Energy Science & Engineering
      Wiley

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          Assessment of methane emissions from the U.S. oil and gas supply chain

          Methane emissions from the U.S. oil and natural gas supply chain were estimated using ground-based, facility-scale measurements and validated with aircraft observations in areas accounting for ~30% of U.S. gas production. When scaled up nationally, our facility-based estimate of 2015 supply chain emissions is 13 ± 2 Tg/y, equivalent to 2.3% of gross U.S. gas production. This value is ~60% higher than the U.S. EPA inventory estimate, likely because existing inventory methods miss emissions released during abnormal operating conditions. Methane emissions of this magnitude, per unit of natural gas consumed, produce radiative forcing over a 20-year time horizon comparable to the CO2 from natural gas combustion. Significant emission reductions are feasible through rapid detection of the root causes of high emissions and deployment of less failure-prone systems.
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            How green is blue hydrogen?

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              Review and comparison of various hydrogen production methods based on costs and life cycle impact assessment indicators

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                Author and article information

                Journal
                Energy Science & Engineering
                Energy Science & Engineering
                Wiley
                2050-0505
                2050-0505
                May 05 2022
                Affiliations
                [1 ]Department of Ecology and Evolutionary Biology Cornell University Ithaca New York USA
                [2 ]Department of Civil and Environmental Engineering Stanford University Stanford California USA
                Article
                10.1002/ese3.1154
                21b9d33d-5d1e-41e3-9d88-fed786c4fc9f
                © 2022

                http://creativecommons.org/licenses/by/4.0/

                http://doi.wiley.com/10.1002/tdm_license_1.1

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