eia gasoline
Gas pumps are set to measure the volume of the fuel that you pump and not the density. If the gas station that you have decided to stop at has the lowest gas price in your area you may want to think about taking the time to come back at a later time rather than stopping at the next gas station that is offering a higher price for gas. There are many guides out there to help you with your decision.

fuel price per barrel
This will come in handy if you are trying to determine how much you are spending in fuel costs or when the last time it was that you had your car serviced. 81 Southeast = ,87 Great Lakes = . asp. 166 .