Even if you have a few seats in business. The planes will be filled as usual while providing better service with almost no additional carbon footprint.

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

Include BIO-tickets in Friends & Family campaigns.

Use travellers feces from flights as a bioproduct. As fuel or to something else useful.

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

If biofuel could be bought/added with points, people could spend their "soon-to-be-expired" points on biofuel rather than something unsustainable.