2004

Light-Duty Vehicle

  Annual Travel (Billion Vehicle-Miles Traveled)

2,621

2,621

2,612

2,621

2,556

2,621

2,448

  New Car Efficiency (Miles per Gallon)

29.7

29.7

30.3

29.7

31.7

29.7

33.3

  Average Vehicle Stock Efficiency (Miles per Gallon)

20.3

20.3

20.4

20.3

20.6

20.3

20.8

Air

  Annual Travel (Billion Seat-Miles)

1,418

1,418

1,399

1,418

1,363

1,418

1,249

  New Aircraft Efficiency (Seat-Miles per Gallon)

53.8

53.8

53.8

53.8

53.8

53.8

54.9

  Average Aircraft Efficiency (Seat-Miles per Gallon)

53.5

53.5

53.5

53.5

53.4

53.5

53.3

Freight Truck

  Annual Travel (Billion Vehicles-Miles Traveled)

207

207

204

207

204

207

200

  New Vehicle Efficiency (Miles per Gallon)

6.4

6.4

6.4

6.4

6.4

6.4

6.5

  Average Vehicle Efficiency (Miles per Gallon)

5.8

5.9

5.9

5.9

5.9

5.9

5.9

2010

Light-Duty Vehicle

  Annual Travel (Billion Vehicle-Miles Traveled)

2,895

2,857

2,877

2,752

2,789

2,505

2,597

  New Car Efficiency (Miles per Gallon)

30.6

32.0

32.1

33.6

33.2

36.4

35.3

  Average Vehicle Stock Efficiency (Miles per Gallon)

20.5

20.7

20.9

21.2

21.5

21.7

22.4

Air

  Annual Travel (Billion Seat-Miles)

1,753

1,729

1,738

1,638

1,685

1,434

1,530

  New Aircraft Efficiency (Seat-Miles per Gallon)

56.0

56.6

57.6

57.4

57.9

62.2

57.8

  Average Aircraft Efficiency (Seat-Miles per Gallon)

55.6

55.6

55.8

55.6

55.8

55.4

55.7

Freight Truck

  Annual Travel (Billion Vehicles-Miles Traveled)

232

229

230

226

230

220

227

  New Vehicle Efficiency (Miles per Gallon)

6.5

6.5

6.5

6.6

6.6

6.4

6.5

  Average Vehicle Efficiency (Miles per Gallon)

6.1

6.1

6.1

6.1

6.1

6.1

6.2

Source: Office of Integrated Analysis and Forecasting, National Energy Modeling System runs KYBASE.D080398A, FD24ABV.D080398B, EARLY24.D052099A, FD09ABV.D080398B, EARLY09.D053199A, FD07BLW.D080398B, and EARLY07.D052199A.