The nation's average price for a gallon of gas fell to the lowest level in more than a year, while the most common price at US pumps fell to a new low.

9/7/05 photo Ryan McFadden BP Gas Station (0nly other signage other than BP was the word Shop) across from the Sheetz in Leesport changes their gas prices to $2.99. Man is unidentifable and wished not to be named. Bill said this is fine.

The most common gas price in the US is $2.99 a gallon. Ben Hasty is a member of the MediaNews Group and the Reading Eagle.

MediaNews Group via Getty Images

Patrick De Haan, head of petroleum analysis at GasBuddy, said on Monday that the most common price at the 150,000 gas stations the company tracks was $3.29.

The average price in the US is $3.51 a gallon, which is still the lowest since February.

The cheapest prices are found in the South and Midwest, with Texas leading the way with a statewide average of $2.82 a gallon.

In Oklahoma, Arkansas, Mississippi, and Louisiana, the average price for a gallon of gas is less than $3.

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The average price for a gallon of gas in Hawaii is $5.15. California has an average price of $4.95 a gallon, which is less than the $6 a gallon price that was seen in the summer.

Crucial Quote

It's possible the national average price of gasoline could fall under $3 per gallon by Christmas, which would be a huge gift to unwrap for motorists, according to a Monday analysis.

Key Background

One of the most obvious signs of the country's rampant inflation was the surge in gas prices during the spring and summer. The price spike was caused by a number of factors, including the Russian invasion, a refusal by OPEC to increase production, and a diminishing U.S. refining capacity. A decrease in fuel demand is the main reason for the drop. Americans pre- filling their tanks before Thanksgiving contributed to the decline in demand last week.

Here are the states where gas prices are the most expensive and cheapest.

Here are the states where gas prices are already cheaper.