REPP - Research Report - PUTTING IT TOGETHER Whole Buildings and a Whole Buildings Policy by Dr. Donald Aitken

Table 1: Primary Energy Use, 1973-1997 (In Quads^*)
Sector Buildings Industry Transportation Total	1973 24.1 31.5 18.6 74.2	1986 26.9 26.6 20.8 74.3	1990 29.4 32.1 22.6 84.1	1995 32.1 34.5 24.1 90.7	1997 33.7 32.6 25.5 91.8
^A quad is one quadrillion British thermal units of energy (a 1 with 15 zeros after it). Source*: Adapted from p. 2.12 of the Interlaboratory Working Group on Energy-Efficient and Low-Carbon Tech-nologies, Scenarios of U.S. Carbon Reductions, U.S.D.O.E., 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.