I understand we're (Europe) aren't in a great position to cut this off at will as we're too dependent on the supply. If I have it right it's not just about switching to a more expensive supply but actually not having the supply to meet demand which could harm us more than Russia.

I freely admit I've not looked into this exhaustively mainly laziness and the fact I've got not influence about what happens here until and election comes up at which point I'll be looking at the various situations that batter to me.