BTS | Table 4-13: Single-Unit 2-Axle 6-Tire or More Truck Fuel Consumption and Travel (a)

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Table 4-13: Single-Unit 2-Axle 6-Tire or More Truck Fuel Consumption and Travel^a

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	1970	1975	1980	1985	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Number registered (thousands)	3,681	4,232	4,374	4,593	4,487	4,481	4,370	4,408	4,906	5,024	5,266	5,293	5,735	5,763	5,926	5,704	5,651	5,849	6,161	6,395	6,649
Vehicle-miles (millions)	27,100	34,600	39,800	45,400	51,900	52,900	53,900	56,800	61,300	62,705	64,072	66,893	68,021	70,304	70,500	72,448	75,866	77,757	78,441	(R) 78,496	80,331
Fuel consumed (million gallons)	3,968	5,420	6,923	7,399	8,357	8,172	8,237	8,488	9,032	9,216	9,409	9,576	6,817	9,372	9,563	9,667	10,321	8,880	8,959	(R) 9,501	9,843
Average miles traveled per vehicle (thousands)	7.4	8.2	9.1	9.9	11.6	11.8	12.3	12.9	12.5	12.5	12.2	12.6	11.9	12.2	11.9	12.7	13.4	13.3	12.7	(R) 12.3	12.1
Average miles traveled per gallon	6.8	6.4	5.7	6.1	6.2	6.5	6.5	6.7	6.8	6.8	6.8	7.0	10.0	7.5	7.4	7.5	7.4	8.8	8.8	(R) 8.3	8.2
Average fuel consumed per vehicle (gallons)	1,078	1,281	1,583	1,611	1,862	1,824	1,885	1,926	1,841	1,835	1,787	1,809	1,189	1,626	1,614	1,695	1,826	1,518	1,454	(R) 1,486	1,480

KEY: R = revised.

^aBeginning in 1998, the Federal Highway Administration (FHWA) used the Census Bureau's 1997 Vehicle Inventory and Use Survey (VIUS) for its baseline estimate of single-unit 2-axle 6-tire or more 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.

NOTES

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. Single-unit 2-axle 6-tire or more trucks are on a single frame with at least 2 axles and 6 tires. Pre-1993 data have been reassigned to the most appropriate category.

SOURCES

1970-94: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: July 1997), table VM-201A.

1995-2006: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1.

Table 4-13: Single-Unit 2-Axle 6-Tire or More Truck Fuel Consumption and Travela

Table 4-13: Single-Unit 2-Axle 6-Tire or More Truck Fuel Consumption and Travel^a