Skip to main content

Gas Prices: Frequently Asked Questions

Note: Links on this page will take you away from fueleconomy.gov to other websites.

What determines the price of gasoline?

Illustration showing component costs of gasoline

Energy Information Administration

What are the average national and regional gasoline prices?

Energy Information Administration

Gasoline and Diesel Fuel Update (updated weekly)
This Week in Petroleum (updated weekly)

California Energy Commission

What is the outlook for gasoline prices?

Energy Information Administration

Short-Term Energy Outlook

Why are gasoline prices so different from one state (or region) to another?

Energy Information Administration

Regional Gasoline Price Differences

What is the history of gasoline prices in the U.S.?

Energy Information Administration

Retail Motor Gasoline and On-Highway Diesel Fuel Prices
Interactive graph | Excel Spreadsheet (XLS) | Table (PDF)
Retail Historical Gasoline Prices (updated weekly)

Where can I find information on gasoline taxes?

Energy Information Administration

Federal and State Motor Fuel Taxes

Federal Highway Administration

What is the federal tax rate on motor fuel?

How are gasoline taxes used?

Federal Highway Administration

Where does the revenue from the federal fuel tax go?
Highway Trust Fund Primer (November 1998)

Where does my gasoline come from?

Energy Information Administration

Where does my gasoline come from?

This website is administered by Oak Ridge National Laboratory for the U.S. Department of Energy and the U.S. Environmental Protection Agency.

This website is administered by Oak Ridge National Laboratory for the U.S. DOE and the U.S. EPA.

	
		OSZAR »