Gas is 50c/liter only in Western Siberia. The other places enjoy a somewhat higher price around 70 cents for a liter of the regular unleaded gas equivalent
50c/liter sounds like a bargain to me.  Right now in Quebec prices are 1,144$ a liter.  I remember 10 years ago, going to University of Moncton, a 12 hour drive, to pay gas 56 or 58c a liter, no less.

So I guess they are subsidizing gas a litle bit.