%0 Journal Article %A Kim, Seokyoung %A Dodds, Paul E %A Butnar, Isabela %D 2025 %F discovery:10206563 %I Elsevier %J Renewable and Sustainable Energy Reviews %K Techno-economic analysis, Synthetic fuels, Green ethylene, Fischer-tropsch, Methanol synthesis, Energy systems %T Economic feasibility of low-carbon ethylene, propylene and jet fuel production %U https://discovery.ucl.ac.uk/id/eprint/10206563/ %V 216 %X Jet fuel and key chemical building blocks (e.g. ethylene) cannot easily be substituted with zero-carbon alternatives and remain interconnected in a low-carbon future. Fischer-Tropsch and methanol synthesis offer pathways toward large-scale production of low-carbon synthetic hydrocarbons. This paper estimates the future costs of low-carbon ethylene, propylene, and jet fuel via those routes with feedstocks of either biomass or electricity with captured CO2. It finds while biobased hydrocarbons could fall below 1.1 USD/kg, electricity-based hydrocarbons using atmospheric CO2, even with the optimistic views, result in 4 USD/kg for ethylene, 2.3 USD/kg for propylene and 2.9 USD/kg for jet fuel. Using industry-captured CO2 as the carbon source could cut production costs by 28 %, but its future availability is likely to be limited. Offsetting existing hydrocarbon industries through direct air carbon capture and storage is projected to be more economical compared to electricity-based hydrocarbons. This research highlights the necessity for transitioning to a net zero power system to reduce electricity prices. As these technologies each produce multiple products and their business cases depend on sales of all products, a coherent cross-sectoral strategy to incentivise low-carbon fuels and chemicals would be valuable to ensure that the overall production reflects demand throughout a low-carbon transition. %Z © 2025 The Authors. Published by Elsevier Ltd. under a Creative Commons license (http://creativecommons.org/licenses/by/4.0/).