Here's a free idea:

No refuelling private jets. ✈️

No matter what price they can afford.

Should be an obvious step 0 in a fuel crisis.
But we wouldn't ever do anything to inconvenience the ultra rich, would we?

#FossilFools

@pezmico I was in favour of letting them take off then shooting them down, but the current war has educated me on how expensive SAMs are, so I'll go with your idea