Per the U.S. Department of Energy:69% of the pump price of gas is crude oil cost which equals $2.24 per gallon.60% of crude oil is from domestic sources and 40% comes from imports:Domestic Oil:$1.34(60%)Imported Oil:$0.90(40%)Cost Per Gallon$2.24(Note: Crude oil cost of $2.24 per gallon is equal to 59� per litre or �.43 per litre.)The following two charts show where this oil comes from in U.S. gasoline:The significance of Texas region (TX, NM, LA)...