FIGURE 1-19: Transportation Energy Use, Actual and Without Energy Efficiency Improvements, 1990 to 2005
| Index: 1990 = 1.00 |
Estimated secondary energy use without energy efficiency improvements | Actual energy use |
|---|---|---|
| 1990 | 1.00 | 1.00 |
| 1991 | 0.98 | 0.96 |
| 1992 | 1.01 | 0.99 |
| 1993 | 1.05 | 1.00 |
| 1994 | 1.12 | 1.05 |
| 1995 | 1.15 | 1.07 |
| 1996 | 1.18 | 1.09 |
| 1997 | 1.23 | 1.13 |
| 1998 | 1.27 | 1.17 |
| 1999 | 1.32 | 1.20 |
| 2000 | 1.34 | 1.22 |
| 2001 | 1.36 | 1.21 |
| 2002 | 1.38 | 1.23 |
| 2003 | 1.41 | 1.26 |
| 2004 | 1.48 | 1.31 |
| 2005 | 1.52 | 1.33 |