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tion have Route planning can play a crucial role in depends largely on the local conditions
emerged as reducing CO2 emissions. Modern systems and the aircraft's weight. Under favourable
critical environ- can optimise towards various optima, be it conditions, one of the engines on a B777
mental mitiga- the most fuel-efficient route vs. the fastest freighter is sufficient for taxiing up to the
tion measures. route. However, there are many variables to maximum landing weight of 260.8 tonnes.
“Optimising route consider and some of those might change However, in order to shut down an engine
planning and load con- while en route (wind, weather conditions, after landing, a cool-down period of three
solidation is crucial for Air Traffic Control…). So, having transparen- minutes must be observed to allow it to
minimizing fuel consump- cy and providing the possibility to optimise thermally stabilise. With one engine we taxi
tion and GHG emissions for CO2 efficiency is a must-have today, more sustainably because per minute of
in logistics operations. Best which leaves room for the decision-making taxiing time, we consume about 23 liters of
practices we are testing/consid- process considering multi-layered variables. less fuel and release about 55kg less CO2,”
ering for the near future include - efficient “Our pilots from flight operations make a said Brian Kowalke, Environmental Manager,
route planning, use of route optimisation valuable contribution to CO2 reduction by Lufthansa Cargo AG.
software, consolidating shipments, alterna- shutting down one of the B777's two en- According to Nabil Sultan, Divisional
tive transportation modes, load consolida- gines after landing - where feasible - during Senior Vice President, Emirates SkyCargo,
tion, warehouse optimisation, dynamic the taxiing process to the parking position. with a worldwide network of 150 destina-
load planning, collaborative planning, This procedure is called RETI (Reduced tions, including 9 freight-only destinations,
eco-driving practices and monitoring and Engine Taxi In). Here's how it works: Emirates minimises fuel consumption and
performance measurement,” said Michiel In principle, aircraft are always taxied GHG emissions by improving route plan-
Potjer, Sustainability Lead, Air France KLM with all available engines, whether an ning. Emirates has launched a comprehen-
Martinair Cargo (AFKLMP). engine can still be shut down for taxiing sive fuel economy programme that actively

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