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    Guest editorial: The significance of clean and energy-efficient operations in sustainable aviation
    (Emerald, 2023) Karakoç, Tahir Hikmet; Colpan, Can Özgür; Yetik, Ozge; Dalkıran, Alper
    Air transportation should be done using clean energy resources and technologies, without causing environmental pollution, and in energy-efficient, economical, safe and fast ways. In short, it must be sustainable. Many developed countries have set net-zero emission targets for the near future. To achieve this goal, it is necessary to consider many factors. The first of these is to use efficient aircraft technology by using less energy and fuel. In this way, lower life cycle emissions can be produced. By using sustainable aviation fuel (SAF), CO2 emissions to the environment can also be reduced. Some typical feedstocks used are cooking oil, animal waste, solid waste from homes, forestry waste and energy crops. Improvement in operations and infrastructure is also another critical factor for sustainable aviation. It is possible to use less energy on the ground or to reduce the fuel consumed by choosing the optimum flight path. To make the airports sustainable, there are also issues such as reducing the maintenance costs of the devices, increasing the lifetime of the buildings and making the lighting, heating and cooling more economical. To ensure all this, researchers from around the world work together on materials and aircraft component development testing, wind tunnel testing, emissions and combustion testing, computational modeling and simulations.