Fleet efficiency describes the average efficiency of a population of vehicles. Technological advances in efficiency may be offset by a change in buying habits with a propensity to heavier vehicles, which are less efficient, all else being equal.
Read more about this topic: Fuel Efficiency
Other articles related to "fleet efficiency":
... External videos Emirates Environmental Corporate Video Emirates has stated that its versions of the A380-800 will offer fuel economy of 3.1 litres per 100 passenger km ... Emirates A380-800s also feature the Engine Alliance GP7200 engines, which save 500,000 litres of fuel per aircraft per year ...