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Office of Energy Efficiency

Figure 6.5 Transportation energy use, with and without energy efficiency improvements, 1990–2009 (petajoules)
Year	Energy use without energy efficiency improvements	Energy use with energy efficiency improvements
1990	1,878	1,878
1991	1,829	1,807
1992	1,890	1,850
1993	1,960	1,873
1994	2,089	1,968
1995	2,152	2,005
1996	2,212	2,043
1997	2,307	2,117
1998	2,391	2,194
1999	2,490	2,253
2000	2,530	2,282
2001	2,566	2,277
2002	2,611	2,306
2003	2,660	2,361
2004	2,834	2,465
2005	2,873	2,501
2006	2,896	2,492
2007	2,979	2,594
2008	2,962	2,595
2009	2,927	2,577