Aircraft Emissions during Taxi-Out

Taxi operations form a large contribution to the Landing-and-Take-off (LTO) emissions. Worldwide, fuel consumption from taxi operations is estimated to cost the industry several billion dollars every year. Each airport has its own procedures, and large airports are often affected by delays and suboptimal dispatch procedures. The initial considerations that have to be made in any analysis of fuel and emissions savings consists in analysing the different phases of a taxi operation. These phases include accelerations, stopping, idle, turning on the taxiway, constant speed runs, in a variety of combinations. This problem is solved in this case study, aimed at offering technical support for efficient ground operations.

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