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How much do you know about gas prices? Take our quiz!

A man returns the nozzle to the pump after filling his car's tank with gasoline in Philadelphia in this February 2011 file photo. (Matt Rourke/AP/File)

Most drivers know how much they paid for a gallon of gas the last time they topped off the tank. But how much do you know about gasoline before it arrives at the pump? Or about mileage? Take our quiz to see how much of a fuel expert you are.

- Ron SchererStaff writer

1. How much gasoline is produced from a barrel (42 gallons) of oil?

Generally, an oil refinery can extract about 19 gallons of gasoline out of a barrel of crude oil, with the remainder of the barrel used to make products such as diesel and jet fuel, according to the US Energy Information Administration.

Generally, an oil refinery can extract about 19 gallons of gasoline out of a barrel of crude oil, with the remainder of the barrel used to make products such as diesel and jet fuel, according to the US Energy Information Administration.

Generally, an oil refinery can extract about 19 gallons of gasoline out of a barrel of crude oil, with the remainder of the barrel used to make products such as diesel and jet fuel, according to the US Energy Information Administration.

Generally, an oil refinery can extract about 19 gallons of gasoline out of a barrel of crude oil, with the remainder of the barrel used to make products such as diesel and jet fuel, according to the US Energy Information Administration.

12 gallons

 

19 gallons

 

35 gallons

 

Oil companies consider the answer a secret

 
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