Fuel-saving Measures
Expanding routes and services will gradually increase fuel consumption. EVA Air has established analytical dashboards based on flight operations big data and trained data analysts to stay on top of opportunities seen in the data for fuel and carbon emission reduction. We have also developed and implemented feasible fuel-saving and carbon emission reduction strategies in response to environmental changes; these are then gradually integrated as part of our daily SOPs. Each fuel-saving and carbon emission reduction measure’s performance is assessed in accordance with its specific implementation operations, to accurately determine actual saving. Nine major fuel-saving and carbon emission reduction initiatives were implemented in 2024. Compared to a scenario without these measures, they resulted in a total fuel savings of 11,309 metric tons, equivalent to 134,501 MWh energy units and 35,737 tons of CO2e emissions.
| Fleet modernization |
- Stay on top of aircraft manufacturing technology; introduce next generation fuel efficient aircraft to replace old ones.
- The first airline in Asia signed up for AeroSHARK surface technology to modify Boeing 777 freigher’s fuselage with these innovative riblet films to improve aerodynamics and reduce drag.
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| Aircraft weight reduction |
- Promote digitizing in-flight service items, such as replacing newspapers and magazines with the EVA e-Library, and providing flight crews with electronic flight bag (EFB) that contain all necessary flight manuals and documents.
- Without affecting quality of service, adjust amounts of water and service supplies on board in accordance with each flight’s estimated number of passengers.
- Use light-weight aluminum containers.
- When purchasing new aircraft or repainting existing liveries, the layer of mica paint is not applied to reduce aircraft weight.
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| Improvement of operation efficiency |
- Continue refining and improving fuel efficiency by optimizing flight routes, cruise altitudes, alternate airport selections, cargo loading, and aircraft center of gravity.
- When infrastructure and weather conditions allow, use electrical power provided by the tow truck for towing aircrafts and use fixed electrical ground power (FEGP) and pre-conditioned air (PCA) equipped on jet bridges and ground-support equipment for ground operations, replacing use of auxiliary power units (APUs).
- Encourage flight crews, when there is no safety concern and condition permitted, perform continuous descent operation (CDO) without intermediate levelling-off during descent, delay extended landing configurations or use low-drag approach configurations; and then after landing taxi to parking aprons by single engine.
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| Aircraft maintenance |
- Regularly clean aircraft fuselages to prevent drag caused by surface contamination. Regularly clean engines, reducing engine exhaust gas temperatures and improving fuel efficiency.
- Sign engine overhaul services with engine manufacturers and replace/adjust engine parts in accordance with Service Bulletin recommendations, to optimize the engine’s baseline performance and improve fuel efficiency.
- Regularly inspect smoothness of flight control surfaces to improve overall aircraft fuel efficiency.
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Fuel Efficiency and Emission Intensity
In order to offer better low-carbon aviation services, EVA Air tracks the fuel efficiency of its aircraft, setting a long-term target to reduce aviation fuel carbon emission intensity by 40% by 2031 compared to 2019 levels. The aviation industry was impacted by the COVID-19 pandemic in 2021. As a result, EVA Air has been actively adjusting our operating strategies, utilizing belly space in passenger aircraft for cargo transport and creating opportunities in the face of adversity. Due to market contraction, fuel consumption per unit for both passenger and cargo transport increased. From 2022 to 2023, passenger traffic gradually recovered, with higher load factors and reduced cargo carriage on passenger flights, leading to significant improvements in fuel efficiency for both passenger and cargo operations. In 2024, as air transportation demand continues to grow, fuel consumption per unit for passenger transport slightly increased.
| |
Unit |
2021 |
2022 |
2023 |
2024 |
2024 Target |
| Fuel efficiency |
Passenger |
L/100RPK |
15.893 |
5.516 |
4.185 |
4.217 |
4.171 |
| Cargo |
L/FTK |
0.279 |
0.216 |
0.097 |
0.097 |
0.096 |
| Aircraft greenhouse gas emission intensity |
Passenger |
kgCO2e/ RPK |
0.401 |
0.139 |
0.106 |
0.106 |
0.105 |
| Cargo |
kgCO2e/ FTK |
0.704 |
0.544 |
0.244 |
0.245 |
0.243 |
| Overall |
kgCO2e/ RTK |
0.816 |
0.733 |
0.738 |
0.732 |
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