Introduce zero-waste snack box for kids, with healthy snacks packaged in compostable materials. Could include fresh fruit, reusable cutlery, and info about reducing waste

Let the captain thank the x number of passenger on board that added bio-fuel on the ticket.

Use infrared heating to melt snow, ice, and frost without using chemicals

Offer multi-flight passes with prebooking conditions to better predict capacity

In a week/ some days before a flight, do sell “stand by tickets”, to a cost of approx. Euro 50 in Europa, Euro 200 intercontinental, , to increase the cabin factor.

Add green flights on some departures. nothing is served on these flights, only hand luggage is allowed, but you earn more Eurobonus points if you choose such a departure.