russia :from main oil suplier in the world beside saudi arabia to main energy producer

russia is rich in natural ressources and since the comunist colapse that its being enriched with petrodolars for its the main oil producer outside opec and now is the main energy producer in the world for to this is haded gaz . see that it was soviet times when gaz from siberia started to the taps in western europe except fro iberia. due to this it has uge money reserves, all his debts created pós-comunism are payed and now many russians are among the topest world´s richest mans