Table 2: Carbon Emissions in the Building Sector, 1990 and 1997 (In Million Metric Tonnes)
End Use/Fuel	1990	1997
Residential
Electricity Fossil Subtotal	162 91 253	183 102 285
Commercial
Electricity Fossil Subtotal	150 59 209	163 62 225
Sector Total
Electricity Fossil Total	312 150 462	346 164 510
Adapted from p. 2.12 of the Interlaboratory Working Group on Energy-Efficient and Low-Carbon Technologies, “Scenarios of U.S. Carbon Reductions,” U.S. DOE, Washington, D.C., 1997. Data are from the 1996 and 1997 energy use estimates of the Energy Information Agency. Rounding of the figures causes a slight discrepancy in totals from listed column values.

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