If you fly Delta, you are paying for this nonsense. It appears though that the honeymoon with eVTOL is over. Maybe hydrogen also. Next to tank will be SAF, as more people realize we lack food, not fossil fuels. The horrible ethanol quotas in the US consume 40% of our immense corn crop, increasing the cost of human food and livestock feed. More evidence that everything the government touches leads to less choice and higher costs.