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Table 4-20M: Energy Intensity of Passenger Modes
(Kilojoule per passenger-kilometer)
Excel | CSV
Air,
certificated carrier |
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Domestic
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 |
2,270 |
2,161 |
2,086 |
International
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 |
2,538 |
2,247 |
2,310 |
Highwaya |
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Passenger
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 |
2,340 |
(R) 2,301 |
2,267 |
Other
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 |
2,919 |
(R) 2,918 |
2,918 |
Motorcycle |
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 |
(R) 1,291 |
1,291 |
Transit
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 |
U |
U |
Amtrak |
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 |
KEY: N = data do not exist; R =
revised; U = data are not available.
a For 1995 and subsequent years, highway
passenger-miles were taken directly from Highway
Statistics rather than derived from
vehicle-miles and average occupancy, as is the case for 1960-1994. Passenger-miles were then converted to
passenger-kilometers.
b Included in passenger car.
NOTES
To 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.
1.609344 kilometers = 1 mile.
SOURCES
Air:
Certificated air carriers:
Passenger-kilometers:
1960-80:
Air Transport Association, Internet site http://www.airlines.org as of Aug.
30, 2004.
1985-2004: U.S. Department of
Transportation, Research and Innovative Technology Administration, Bureau of
Transportation Statistics, Office of Airline Information, Air Carrier Traffic Statistics (Washington DC: Annual December issues).
Fuel consumed:
U.S. Department of Transportation, Research and Innovative
Technology Administration, Bureau of Transportation Statistics, Office of
Airline Information, Internet site
http://www.bts.gov/oai/fuel/fuelyearly.html as of Dec. 28, 2005.
Highway:
Passenger car:
1960-94: U.S. Department of Transportation, Federal Highway
Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: July 1997), table
VM-201A.
1990-2004: 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.
1990-2004: 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.
1990-2004: Ibid., Highway Statistics (Washington, DC: Annual issues), table VM-1.
Transit motor bus:
American Public Transportation Association, 2005 Public Transportation Fact Book (Washington, DC: Annual issues), tables 11 and 35, and
similar tables in earlier editions.
Amtrak:
Amtrak, State and Local Affairs Department, personal
communication.
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