Develop solar-powered aircraft with energy storage systems to enable fully renewable, zero-emission long-haul flights within the next decade.

Monthly bio fuel/carbon offset subscription, regardless of flights. Rewarded with level points or qualifying flights.

Collaborate with public transport companies at popular destinations to reduce car usage.

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

Earn EuroBonus points when recycling. Collaborate with apps such as Bower and Repeat in Sweden. They offer cash rewards for recycling. Why not reward points instead!

Enable paid upgrades to Bio tickets online after agency/company booking is made, so employees can override restrictive company policies and gain more level points