Source: U.S. Energy Information Administration  

Release: Gasoline and Diesel Fuel Update  

Units:  Dollars per Gallon, Not Seasonally Adjusted

Frequency:  Monthly, End of Period

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. Premium Gasoline has an antiknock index (average of the research octane rating and the motor octane number) greater than 90. Octane requirements may vary by altitude. PADD I (Petroleum Administration for Defense District) represents the East Coast District and includes the following states: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont, Delaware, District of Columbia, Maryland, New Jersey, New York, Pennsylvania, Florida, Georgia, North Carolina, South Carolina, Virginia, and West Virginia.