A lot of ground equipment is still driven by internal combustion engines, and can be upgraded to run on electric instead for better efficiency.

By reducing the time planes spend with engines idling on the ground, we can decrease fuel consumption and emissions.

Give more options to buy Sustainable Aviation Fuel in booking process for members to gain more EuroBonus points.

Free coffee only for those who have reusable cups with them. Fee for paper cup or no paper cups at all.

Offer pre-filled reusable water bottles and collect them in before landing

Bio fuel / green fuel as default, and having to pay more as a passenger if you want to fly on fossil based airplane fuel.