Table 4-14: Combination Truck Fuel Consumption and Travel

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  1965 1970 1975 1980 1985 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 (R) 2010 2011
Number registered (thousands) 787 905 1,131 1,417 1,403 1,709 1,691 1,675 1,680 1,682 1,696 1,747 1,790 1,997 2,029 2,097 2,154 2,277 1,908 2,010 2,087 2,170 2,635 2,585 2,617 2,553 2,452
Vehicle-miles traveled (millions) 31,700 35,100 46,700 68,700 78,100 94,300 96,600 99,500 103,100 108,900 115,500 118,899 124,584 128,359 132,384 135,020 136,584 138,737 140,160 142,370 144,028 142,169 184,199 183,826 168,100 175,789 163,692
Fuel consumed (million gallons) 6,658 7,348 9,177 13,037 14,005 16,133 16,809 17,216 17,748 18,653 19,777 20,193 20,302 25,158 24,537 25,666 25,512 26,480 23,815 24,191 27,689 28,107 30,904 30,561 28,050 29,927 28,193
Average miles traveled per vehicle (thousands) 40.3 38.8 41.3 48.5 55.7 55.2 57.1 59.4 61.4 64.8 68.1 68.1 69.6 64.3 65.3 64.4 63.4 60.9 73.4 70.8 69.0 65.5 69.9 71.1 64.2 68.9 66.8
Average miles traveled per gallon 4.8 4.8 5.1 5.3 5.6 5.8 5.7 5.8 5.8 5.8 5.8 5.9 6.1 5.1 5.4 5.3 5.4 5.2 5.9 5.9 5.2 5.1 6.0 6.0 6.0 5.9 5.8
Average fuel consumed per vehicle (gallons) 8,465.2 8,118.6 8,115.9 9,201.3 9,980.3 9,440.6 9,938.3 10,276.0 10,562.4 11,093.1 11,662.7 11,561.1 11,341.9 12,595.7 12,095.9 12,241.5 11,843.0 11,630.9 12,479.5 12,033.3 13,268.9 12,954.3 11,726.9 11,821.3 10,717.9 11,722.8 11,499.8

KEY: R = revised.

NOTES

Data for 2007-11 were calculated using new sources and a new methodology developed by FHWA. Data for these years are not comparable to previous years. The FHWA estimates national trends by using State reported Highway Performance and Monitoring System (HPMS) data, fuel consumption data (MF-21 and MF-27), vehicle registration data (MV-1, MV-9, and MV-10), other data such as the R. L. Polk vehicle data, and a host of modeling techniques. Starting with the 2007 VM-1, an enhanced methodology is used to provide timely indictors on both travel and travel behavior changes.

From 1998-2006, the Federal Highway Administration (FHWA) used the Census Bureau's Vehicle Inventory and Use Survey (VIUS) for its baseline estimate of combination trucks. Prior to 1998, the FHWA used the Census Bureau's 1992 Transportation Inventory and Use Survey (TIUS) for its baseline estimates. Therefore, post-1997 data may not be comparable to 1997 and earlier years.

In 1995, the U.S. Department of Transportation, Federal Highway Administration revised its vehicle categories beginning with 1993 data to include passenger cars, other 2-axle 4-tire vehicles, single-unit 2-axle 6-tire or more trucks, and combination trucks. Pre-1993 data have been reassigned to the most appropriate category.

SOURCES

1965-94: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: July 1997), table VM-201A, available at http://www.fhwa.dot.gov/policyinformation/statistics.cfm as of Mar. 23, 2009.

1995-2011: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1, available at http://www.fhwa.dot.gov/policyinformation/statistics.cfm as of Mar. 20, 2013.