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Item type:Publication, Access status: Restricted , Development scenarios for drop in and non drop in fuel options(2022-10); ; ; The air transport sector’s contribution to anthropogenic climate forcing is estimated at around 4 %. In this respect, alternative fuels are considered as a key measure to reduce greenhouse gas emissions within the air transport system and thus to reduce the contribution of commercial aviation to anthropogenic climate change. Nevertheless, so far the usage-shares of alternative fuels are below 1 %. Thus, the goal of this paper is to analyse a broad selection of aviation fuel options for their greenhouse gas reduction potential based and to derive scenarios for their potential future development. The fuel options studied are blended synthetic kerosene and neat synthetic kerosene fuels, three alcohols (methanol, ethanol and butanol) and three gases (methane, ammonia and hydrogen). General socio-economic preconditions and requirements within the air transport system were identified. Key Levers for a successful transition towards renewably sourced energies appear to be the development of aviation's energy demand, the ramp-up of production capacities and the willingness to cover the cost of the energy transition.Publicationtype: Conference Paper not in Proceedings156 183