Sustainable Aviation Fuel Deployment Strategies in Europe: Supply Chain Implications and Climate Benefits

  • 0Environmental Economics, Centre for Environmental Sciences, Hasselt University, 3590 Diepenbeek, Belgium.

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Summary

This summary is machine-generated.

Sustainable aviation fuel (SAF) can reduce aviation

Area Of Science

  • Climate Science
  • Aviation Emissions
  • Sustainable Fuels

Background

  • Aviation contributes significantly to climate forcing through CO2 and contrails.
  • Sustainable Aviation Fuel (SAF) offers a potential solution for mitigation.
  • Optimizing SAF distribution is key to maximizing climate benefits.

Purpose Of The Study

  • To quantify the contrail mitigation potential of different SAF allocation strategies.
  • To assess the associated fuel supply chain costs.
  • To determine the most cost-effective SAF strategy for reducing aviation's climate impact.

Main Methods

  • Modeling a uniform 10% SAF blend scenario.
  • Developing and evaluating three distinct SAF allocation strategies (seasonal and diurnal).
  • Analyzing benefit-to-cost ratios and abatement costs for each strategy.

Main Results

  • A seasonal strategy (Oct-Feb, 28% blend) shows the highest benefit-to-cost ratio (1.7-7.2) and lowest abatement cost (€14-61/tCO2e).
  • This seasonal approach increases annual contrail forcing reduction to 12-13% with a 0.5% supply chain cost increase.
  • Diurnal strategies offer marginal additional benefits compared to their higher costs and complexity.

Conclusions

  • Targeted seasonal SAF allocation is more cost-effective for contrail mitigation than uniform or diurnal strategies.
  • Optimized SAF strategies can significantly enhance climate benefits beyond a simple blend.
  • Balancing SAF supply, allocation, and climate impact is crucial for sustainable aviation.

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