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September 16, 2025SAE International journal of sustainable transportation, energy, environment & policy

A Life Cycle Assessment of Potential Pathways to Increase Sustainable Aviation Fuel Yields through CO 2 Upgrading Co-located with Corn Ethanol Production

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Authors

SMStephen McCordSTSam TalsmaJBJessey Bouchard

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Overview

Life cycle assessment evaluates CO2 upgrading processes for sustainable aviation fuel, suggesting advantages of ethanol pathways over Fischer–Tropsch methods.

Key Points

  • CO2 upgrading to sustainable aviation fuel potentially reduces carbon intensity by 83% to 90%.
  • Using heat pumps in corn ethanol production cut carbon intensity by nearly 16%, improving environmental outcomes.
  • Gas fermentation of CO2 followed by alcohol-to-jet upcycling shows a maximum aviation fuel yield of 90%.
  • Overall, the alcohol-to-jet pathway is presented as the most synergistic method for enhancing sustainable aviation fuel production.

Cite This Study

McCord et al. (2025) studied this question.

synapsesocial.com/papers/68d4566c31b076d99fa5b910https://doi.org/10.4271/13-06-03-0023
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