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Table 4-14M: Combination Truck Fuel Consumption and Travel (a)

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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 2010 (R) 2011 2012
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 2,469
Vehicle-kilometers traveled (millions) 51,016 56,488 75,156 110,562 125,690 151,761 155,463 160,130 165,923 175,258 185,879 191,349 200,499 206,574 213,051 217,294 219,811 223,276 225,566 229,122 231,791 228,799 296,440 295,839 270,530 282,905 263,597 262,899
Fuel consumed (million liters) 25,203 27,815 34,739 49,350 53,015 61,070 63,629 65,170 67,183 70,609 74,864 76,437 76,850 95,233 92,884 97,155 96,573 100,236 90,151 91,573 104,814 106,395 116,986 115,686 106,181 113,285 106,677 105,710
Average kilometers traveled per vehicle (thousands) 64.9 62.4 66.5 78.0 89.6 88.8 91.9 95.6 98.7 104.2 109.6 109.6 112.0 103.4 105.0 103.6 102.0 98.1 118.2 114.0 111.1 105.5 112.5 114.4 103.4 110.8 107.5 106.5
Average kilometers traveled per liter 2.0 2.0 2.2 2.2 2.4 2.5 2.4 2.5 2.5 2.5 2.5 2.5 2.6 2.2 2.3 2.2 2.3 2.2 2.5 2.5 2.2 2.2 2.5 2.6 2.5 2.5 2.5 2.5
Average fuel consumed per vehicle (liters) 32,044.4 30,732.3 30,721.9 34,830.6 37,779.5 35,736.6 37,620.7 38,898.8 39,982.9 41,991.8 44,148.0 43,763.7 42,933.9 47,679.9 45,788.0 46,339.0 44,830.6 44,027.8 47,240.0 45,550.9 50,228.3 49,037.3 44,391.1 44,748.6 40,571.6 44,375.5 43,512.5 42,813.2

KEY: R = revised.

NOTES

Data for 2007-12 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.

1 gallon = 3.785412 liters and 1 mile = 1.609344 kilometers.

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.

1995-2012: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1, available at http://www.fhwa.dot.gov/policyinformation/statistics.cfm as of Mar. 4, 2014.