1.4 : Environmental Data




1.4.9 Average Carbon Dioxide Emissions from a Generic Quad in the Buildings Sector with Stock Fuel Mix and
Projected Fuel Mix of New Marginal Utility Capacity and Site Energy Consumption (Million Metric Tons) (1)
Stock
2010
Resid. Comm. Bldgs.
Electricity (2) 39.81 44.10 41.75
Petroleum 3.78 2.81 3.34
Natural Gas 12.17 9.55 10.98
Renew. En. (3) 0.00 0.00 0.00
Coal 0.03 0.30 0.15
Total 55.79 56.77 56.23
Note(s): 1) Electricity imports from utility consumption were not included since this energy was produced outside of the U.S. "Average" means the weighted average of different fuels (e.g., petroleum is the average of residual and distillate fuel oils, LPG, kerosene, and motor gasoline). The combustion of fossil fuels produces carbon in the form of carbon dioxide and carbon monoxide; however, carbon monoxide emissions oxidize in a relatively short time to form carbon dioxide. 2) Includes renewables. 3) Emissions exclude wood since it is assumed that the carbon released from combustion is reabsorbed in a future carbon cycle.









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