18 Apr '11, 12pm

Green: Cornell Gas Study Stirs Heated Debate

The per kWh is the “correct” analysis only if the question is simply one of generating electricity from natural gas vs. coal. However, 70 percent of natural gas in the U.S. is used for purposes other than for generating electricity, such as home and commercial heating, hot water heating, transportation, and industrial energy uses such as making nitrogen fertilizer and distilling ethanol. For these purposes, natural gas has no efficiency advantage over using other fossil fuels (oil or coal). And for these uses, it would be inappropriate to use a per Kwh basis (Kwh is used only for electricity). For the 30 percent of natural gas used to generate electricity, there is indeed an efficiency advantage for natural gas over coal. We state this explicitly in the paper, in section 6: “Our analysis does not consider the efficiency of final use. If fuels are used to generate electrici...

Full article: http://green.blogs.nytimes.com/2011/04/18/cornell-gas-stu...

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Cornell Gas Study Stirs Heated Debate

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The per kWh is the “correct” analysis only if the question is simply one of generating electricity from natural gas vs. co...

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EPA

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