Beto Sust Aviation Fuel Sep 2020

This report was prepared by Johnathan Holladay (Pacific Northwest National Laboratory), Zia Abdullah (National Renewable Energy Laboratory), and Joshua Heyne (University of Dayton) and is a compilation of information synthesized from three workshops with additional new information inspired from the workshops. The authors are indebted to Michelle Kocal (LanzaTech), Steve Csonka (Commercial Aviation Alternative Fuels Initiative), Bill Goldner (U.S. Department of Agriculture), Mark Rumizen (Federal Aviation Administration), Carol Sim (retired Alaska Airlines, Washington State University), and Jim Hileman (Federal Aviation Administration) for their poignant, challenging, and critical review of concepts in the report. The authors also thank Zia Haq, Liz Moore (U.S. Department of Energy, Bioenergy Technologies Office), and Mohan Gupta (Federal Aviation Administration) for support. iv Abstract The 106-billion-gallon global (21-billion-gallon domestic) commercial jet fuel market is projected to grow to over 230 billion gallons by 2050 (U.S. EIA 2020a). Cost-competitive, environmentally sustainable aviation fuels (SAFs) are recognized as a critical part of decoupling carbon growth from market growth. Renewable and wasted carbon can provide a path to low-cost, clean-burning, and low-soot-producing jet fuel. Research shows an opportunity to produce fuel in which aromatics are initially diluted with the addition of renewable iso- alkanes, aromatics are later fully replaced with cycloalkanes, and finally high-performance molecules that provide mission-based value to jet fuel consumers are introduced. Key to this fuel pathway is sourcing the three SAF blendstocks—iso-alkanes, cycloalkanes, and high-performing molecules—from inexpensive resources. When resourced from waste carbon, there are often additional benefits, such as cleaner water when sourcing carbon…

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