In order to maximum cabin factor, offer Eurobonus tickets on all flights

Use larger packages for the most consumed drinks, instead of handing out endless amounts of cans (less garbage, less weight on board) .

Let it be easy to take steps when buying bio-fuel.

Implement sharkskin technology or (my own) coating to reduce air resistance and micro-drag from the fuselage.

Introducing the ‘Conscious Packing’ eduseries: Smart packing tips for easier travel, reducing baggage weight, and boosting airline fuel efficiency.

Stop Printing menus for biz class, make them available on the monitor.