Accelerated Reduction in \(SO_2\) Emissions from the U.S. Power Sector Triggered by Changing Prices of Natural Gas

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Accelerated Reduction in \(SO_2\) Emissions from the U.S. Power Sector Triggered by Changing Prices of Natural Gas

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dc.contributor.author Wu, Gang
dc.contributor.author McElroy, Michael Brendon
dc.contributor.author Lu, Xi
dc.contributor.author Nielsen, Chris
dc.date.accessioned 2012-12-06T21:28:54Z
dc.date.issued 2012
dc.identifier.citation Lu, Xi, Michael B. McElroy, Gang Wu, and Chris P. Nielsen. 2012. Accelerated reduction in \(SO_2\) emissions from the U.S. power sector triggered by changing prices of natural gas. Environmental Science and Technology 46(14): 7882-7889. en_US
dc.identifier.issn 0013-936X en_US
dc.identifier.issn 1520-5851 en_US
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:10009464
dc.description.abstract Emissions of sulfur dioxide (\(SO_2\)) from the U.S. power sector decreased by 24% in 2009 relative to 2008. The Logarithmic Mean Divisia Index (LMDI) approach was applied to isolate the factors responsible for this decrease. It is concluded that 15% of the decrease can be attributed to the drop in demand for electricity triggered by the economic recession, and 28% can be attributed to switching of fuel from coal to gas responding to the decrease in prices for the latter. The largest factor in the decrease, close to 57%, resulted from an overall decline in emissions per unit of power generated from coal. This is attributed in part to selective idling of older, less efficient coal plants that generally do not incorporate technology for sulfur removal, and in part to continued investments by the power sector in removal equipment in response to the requirements limiting emissions imposed by the U.S. Environmental Protection Agency (U.S. EPA). The paper argues further that imposition of a modest tax on emissions of carbon would have ancillary benefits in terms of emissions of \(SO_2\). en_US
dc.description.sponsorship Engineering and Applied Sciences en_US
dc.language.iso en_US en_US
dc.publisher American Chemical Society en_US
dc.relation.isversionof doi:10.1021/es301023c en_US
dash.license OAP
dc.subject decomposition analysis en_US
dc.subject CO\(_2\) emissions en_US
dc.subject energy en_US
dc.subject plants en_US
dc.title Accelerated Reduction in \(SO_2\) Emissions from the U.S. Power Sector Triggered by Changing Prices of Natural Gas en_US
dc.type Journal Article en_US
dc.description.version Author's Original en_US
dc.relation.journal Environmental Science and Technology en_US
dash.depositing.author McElroy, Michael Brendon
dc.date.available 2012-12-06T21:28:54Z
dash.affiliation.other Harvard China Project en_US

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  • FAS Scholarly Articles [7374]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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