%% Cool charts,JR; say 4 liters[3.8]per gallon, in US.That must include TAX in US, In state of TN ,USA,, XOM +Shell sells it for $2.16@ gallon today, cash. Walmart-MUR oil $2.13, cash for $2.12. BP+ MRO has it for $2.20/+ per gallon. I did not include the 9/10 cent per gallon they always put on it.LOL