Switching to edible cutlery on SAS reduces waste and offers a unique, eco-friendly experience, enhancing meals while benefiting the environment.

Make flight space available for package distributors ex. DHL for a fee. Might save their flight and truck if packages can go with regular airplanes.

Make it possible to buy bio fuel for past trips.

Weigh all passengers anonymously to optimize fuel load for best performance.

Giving an incentive and getting more passengers to travel light should reduce aircraft loading and fuel consumption. Alternatively allow more cargo.

a better airline trolley for sorting garbage. Maybe with possibility for travellers to put in from the sides.