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Thread: Natural gas not such a good intermediate step

  1. #1 Natural gas not such a good intermediate step 
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    Apr 2007
    Washington State
    An interesting meta study published this weeks challenges the idea that gas can be viewed as a less Green house gas producing intermediary step between coal and more environmentally friendly energy sources. The switch is the EPA and other agencies improved measurement of methane being released--all of which show extraction released more methane than previously thought.

    "The best data available now indicate that our estimates of methane emission from both shale gas and conventional natural gas were relatively robust. Using these new, best available data and a 20-year time period for comparing the warming potential of methane to carbon dioxide, the conclusion stands that both shale gas and conventional natural gas have a larger GHG than do coal or oil, for any possible use of natural gas and particularly for the primary uses of residential and commercial heating. The 20-year time period is appropriate because of the urgent need to reduce methane emissions over the coming 15–35 years."

    A bridge to nowhere: methane emissions and the greenhouse gas footprint of natural gas - Howarth - 2014 - Energy Science & Engineering - Wiley Online Library

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