Readers are introduced to a range of feedstocks that can be utilised for SAF and renewable fuel production, including sugars, ethanol, vegetable oils and fats, municipal waste, biomass and lignocellulose. The book discusses critical factors influencing feedstock selection such as availability, cost and sustainability. It also provides a systematic approach to estimating the production costs of SAF through various alternative pathways and feedstocks, facilitating concept analyses for specific projects.