“Designed to run on up to 100%” says nothing about what percentage it will in practice operate on in service.
I am capable of running on a sustainable diet of 100% nutrient balanced meals and a strictly controlled daily calorie intake. In practice, I’m operating on a mixture of pizza and Oreos right now.
SAF is a good investment - it allows us to use the current airplanes while we transition the shorter distances to electrics. It also allows for a gradual infrastructure transition, because you can run a jet engine with any mix of kerosene and SAF.
I am capable of running on a sustainable diet of 100% nutrient balanced meals and a strictly controlled daily calorie intake. In practice, I’m operating on a mixture of pizza and Oreos right now.