Graph showing the actual and expected change in the energy efficiency of commercial aircraft from 1940 to 2000, expressed in tonnes/km produced with one liter of fuel, Italy 2000

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Size: 4000px × 2446px
Location:
Photo credit: © Colaimages / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 2000, actual, aeronautics, aircraft, aviation, change, commercial, efficiency, energy, expected, graph, italy