PSE Analysis: API/ANGA Report, June 2012

Physicians, Scientists, and Engineers for Healthy Energy
18 Jun 2012
RW Howarth, A Ingraffea, R Santoro

We have analyzed the widely publicized report from the American Petroleum Institute (API) and American Natural Gas Alliance (ANGA) which asserts that methane emissions from the natural gas sector are 50 percent lower than US Environmental Protection Agency (EPA) estimates.


The study relies on a critically flawed survey design, completely ignores many other recent studies, and would not have passed peer-review in a scientific journal. In contrast to this API/ANGA report, a recent and objective study which measured the entire rate of methane emissions from an unconventional gas field, the first of what should become one of many such studies, demonstrated emissions that were higher than EPA estimates (Petron et al. 2012) . . .


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Additional reading

Shires and Lev-On. 2012. Characterizing Pivotal Sources of Methane Emissions from Unconventional Natural Gas Production: Summary and Analysis of API and ANGA Survey Responses. FINAL REPORT

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