Sacred Haven of Debauchery

And remember – 50 kopecks is not a lot of money – they should at least return to the previous prices of 16-20 rubles per liter.

This is, by the way, another point. Let's take a look.
The price of a barrel of oil today is $56.72
The exchange rate of the dollar is 57.69 rubles
1 barrel is approximately equal to 159 liters.
Let's calculate and we get that a liter of oil costs about 20 rubles and 57 kopecks. It's unclear what they're talking about when they mention a gasoline price of 16-20 rubles per liter; gas stations would have to operate at a loss?