Here in Brazil it is about US$1,32 per liter = US$5,01 per galon.
So expansive, this is why the mosy cars use anidre alchool and not gasoline, the anidre alcholl, costs way about US$3,00 per galon, by the way it´s expensive.
The petroleum reserves of Brasil, are enought to assist all the internal demand and still surplus sell to other countries,, but by the politics reasons, the price is too high.
The only one company that explores the mineral reserves here are from the governament his name is Petrobras, some more information here: