Due to sanctions, Russia has become a sufficiently small part of the world energy market that it would not be able to affect prices enough to create that situation.
If it could it would have done so by hoarding all fuel internally.
If it could it would have done so by hoarding all fuel internally.
Yes the markets are all connected. Yes Russia could cause a mild price increase if it wanted.
No it does not have a big enough slice of the pie that it could increase prices enough to pressure countries to decrease support for Ukraine.