Give more Eurobonus point to sustainable destinations, by ranking airports and/or destination

Using hydrogen tanks in the rear of the plane, for example. This could work on shorter routes such as domestic flights or intra-Europe.

Waste reduction challenge: Launch an in-flight competition where the flight producing the least waste per passenger wins a sustainability award

Travelers register final destination, SAS sends taxi sharing offers via SAS transfer = lower taxi costs and individual receipts for passengers.

Developing a loyalty program that rewards frequent flyers with sustainability points, which can be redeemed for eco-friendly products or donated to environmental causes

Complimentary Arlanda Express ticket when booking a flight to/from Stockholm