Y ou fly across the country to visit your grandma. The owner of a small manufacturing business in Spokane flies to Europe to finalize a large contract. Vital medical supplies are flown to the site of a disease outbreak.

All of the above and an almost endless number of other examples are made possible by commercial passenger and cargo flights and the jet fuel that powers those flights. Almost all of that fuel today is fossil-based jet fuel.

All that fossil-based jet fuel means that aviation accounts for 2.5% of global CO2 emissions today and, if no action is taken, that number is projected to increase to over 20% of global CO2 emissions by 2050 as the aviation industry continues to grow and other sectors decarbonize.

Aviation is one of the hardest industries to decarbonize. The electri

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