Electricity and CO2:
National average emissions factor for electricity is 1.64 pounds CO2 per kilowatt-hour. Source: The Cadmus Group, 1998. Regional Electricity Emission Factors Final Report.
"Typical" annual CO2 emissions of 20,000 pounds per household based on 1,000 kWh/month, which is the average used in most utility rate cases. Source: http://yosemite.epa.gov/oar/globalwarming.nsf/content/ResourceCenterToolsCalculatorAssumptions.html
AUTOMOBILES: Studies indicate that the average car produces about one pound of CO2 per mile driven.Source: Progressive Policy Institute: http://www.ppionline.org/ppi_ci.cfm?knlgAreaID=116&subsecID=900039&contentID=252224
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