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The development process of sustainable aviation fuel is observed by economic, technological, and regulatory uncertainties. Therefore, risk identification is essential for comprehending existing barriers and developing feasible strategies. Further, given the diversity in literature, specifying gaps is necessary to determine research orientations and identify priority areas for future research. These two approaches ensure a more comprehensive and target-oriented assessment of research in the field. In this mind, this paper aims to identify the main themes and primary topics, the risks discussed, and the overlooked matters related to Sustainable Aviation Fuel (SAF). A systematic literature review is employed to synthesize relevant papers. The identification process yielded 135 records from WoS and Scopus, which were eventually narrowed down to 14 studies after exclusions. Production and economic subjects are the most common topics discussed on SAF. The academics highlighted the risks regarding financial and natural resources, yet landlessness has not been sufficiently discussed. In addition, the emission-reducing efforts lack holism, and many significant questions remain unanswered. This paper presents a distinctive synthesis of the themes and risks in studies on SAF and highlights some overlooked issues. It is believed that future studies should address the unresolved questions stated to propel green aviation forward.
İnce et al. (2026) studied this question.