Offer Eurobonus points to passengers who order vegetarian/vegan food in advance

Compensate Eurobonus members CO2 emissions as before

If possible, adjust aircraft speed to reduse fuel consumtion

Create an ability to share a seat in your car with other passengers on the flight. It's better than everyone riding their car.

Include meal information as early as possible in-app.
This is good for people with allergies, so they abstain from it.

Offer rebate to business class passengers for not using the full luggage quota.