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Acknowledgments US Department of Transportation - BTS

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Table 4-20M: Energy Intensity <strong>of</strong> Passenger Modes (Kilojoule per passenger-kilometer)1960 1965 1970 1975 1980 1985 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006Air, certificated carrierDomestic operations 5,659 6,633 6,677 5,078 3,764 3,308 3,233 3,062 2,992 2,988 2,913 2,873 2,742 2,731 2,703 2,655 2,546 2,550 2,358 (R) 2,292 (R) 2,235 (R) 2,112 2,031International operations 6,031 6,748 7,202 5,550 2,845 3,345 2,980 3,022 2,792 2,687 2,718 2,736 2,693 2,733 2,804 2,703 2,513 2,599 2,570 (R) 2,739 (R) 2,549 (R) 2,500 2,419Highway aPassenger car 2,947 2,921 3,174 3,109 2,850 2,799 2,498 2,395 2,428 2,481 2,472 2,439 2,418 2,397 2,384 2,407 2,353 2,358 2,360 (R) 2,341 2,301 (R) 2,350 2,311Other 2-axle 4-tire vehicle N N 4,465 4,308 3,743 3,259 2,976 2,804 2,790 2,803 2,849 2,975 2,977 2,992 2,995 3,024 2,956 2,612 2,702 (R) 2,918 2,918 (R) 2,673 2,633Motorcycle b b 1,639 1,543 1,393 1,243 1,460 1,257 1,305 1,352 1,400 1,491 1,489 1,490 1,490 1,490 1,490 1,343 1,291 1,291 1,291 (R) 1,170 1,150Transit motor bus N N N N 1,798 2,222 2,441 2,470 2,647 2,586 2,728 2,724 2,751 2,772 2,709 2,651 2,719 2,424 2,327 2,304 (R) 2,341 (R) 2,224 2,138Amtrak N N N 1,562 1,408 1,370 1,354 1,297 1,334 1,326 1,269 1,205 1,411 1,442 1,402 1,381 1,399 U U U U U UKEY: N = data do not exist; R = revised; U = data are not available.a For 1995 and subsequent years, highway passenger-miles were taken directly fromHighway Statistics rather than derived from vehicle-miles and averageb Included in passenger car.NOTESTo calculate total joules, multiply fuel consumed (see tables 4-21, 4-22, 4-24, 4-25) by 37,626,700 joules/liter for air carrier, 34,839,537 joules/liter for passenger car,other 2-axle 4-tire vehicle, and motorcycle, and 38,657,950 joules/liter for transit motor bus and Amtrak diesel consumption; and 3,599,851 joules/KwH for Amtrakelectric consumption1.609344 kilometers = 1 mile.SOURCESAir:Certificated air carriers:Passenger-kilometers:1960-80: Air Transport Association, Internet site http://www.airlines.org as <strong>of</strong> Aug. 30, 2004.1985-2006: U.S. <strong>Department</strong> <strong>of</strong> <strong>Transportation</strong>, Research and Innovative Technology Administration, Bureau <strong>of</strong> <strong>Transportation</strong> Statistics, Office <strong>of</strong> Airline Information, Air Carrier Traffic Statistics (Washington DC: Annual December issues).Fuel consumed:U.S. <strong>Department</strong> <strong>of</strong> <strong>Transportation</strong>, Research and Innovative Technology Administration, Bureau <strong>of</strong> <strong>Transportation</strong> Statistics, Office <strong>of</strong> Airline Information, Internet site http://www.bts.gov/oai/fuel/fuelyearly.html as <strong>of</strong>Mar. 27, 2008.Highway:Passenger car:1960-94: U.S. <strong>Department</strong> <strong>of</strong> <strong>Transportation</strong>, 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.Other 2-axle 4-tire vehicle:1970-94: Ibid., 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.Motorcycle:1970-85: Ibid., Highway Statistics Summary to 1985, FHWA-PL-97-009 (Washington, DC: July 1997), table VM-201A.1990-2006: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1.Transit motor bus:American Public <strong>Transportation</strong> Association,2008 Public <strong>Transportation</strong> Fact Book (Washington, DC: Annual issues), tables 2 and 28, and similar tables in earlier editions.Amtrak:Amtrak, State and Local Affairs <strong>Department</strong>, personal communication April 22, 2008.

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