Oil giants cash in on the US-Iran conflict. Can an EU-wide tax on oil profits ease the energy crisis?

Oil giants cash in on the US-Iran conflict. Can an EU-wide tax on oil profits ease the energy crisis?
A new report commissioned by Greenpeace Germany found that oil companies earned €36 billion in additional margins from the fallout of the US-Iran conflict between March 1 and October 19. Can Europe tax these profits to help ease rising energy bills?