Sens. David Vitter, R-La., and James Inhofe, R-Okla., have asked the Environmental Protection Agency to consider different methods for calculating methane emissions from natural gas production after a recent report found 10% less methane is emitted than the agency has estimated. David Allen, a University of Texas professor and chair of AIChE's International Society of Water Solutions, led the study, which measured methane from shale gas wells created by fracking. The EPA is reviewing the results, it told the lawmakers at a hearing of the Senate Committee on Environment and Public Works' subcommittee on oversight.
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