Source: U.S. Energy Information Administration  

Release: Gasoline and Diesel Fuel Update  

Units:  Dollars per Gallon, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Weighted average based on sampling of approximately 900 retail outlets, 8:00AM Monday. The price represents self-service unless only full-service is available and includes all taxes. See (http://www.eia.doe.gov/oil_gas/petroleum/data_publications/wrgp/mogas_home_page.html) for further definitions. All Formulations includes both conventional gasoline and reformulated gasoline.

Source: U.S. Energy Information Administration  

Release: Spot Prices  

Units:  Dollars per Barrel, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Definitions, Sources and Explanatory Notes:
http://www.eia.doe.gov/dnav/pet/TblDefs/pet_pri_spt_tbldef2.asp

Source: Dow Jones & Company  

Release: Wall Street Journal  

Units:  Dollars per Barrel, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Prior to 1982 equals the posted price.
On August 5, 2013, the Wall Street Journal discontinued publication of some of its commodity energy prices. As a current substitute, see the monthly oil spot prices reported by the U.S. Department of Energy, Energy Information Administration at https://fred.stlouisfed.org/series/MCOILWTICO

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