The national average price of regular unleaded gasoline remained steady at $2.25 per gallon for the week, and it's within 3 cents of the lowest price level since December 2016, according to AAA. The national price is now 9 cents cheaper than a month ago and 29 cents less expensive that a year ago.

Fuel prices may have reached the bottom of the proverbial barrel, because crude oil prices continue to climb, according to AAA.

"Crude oil prices have increased by $5 per barrel since the beginning of the year, but over-supply of crude in the market and low demand have helped to keep the national average relatively stable," said Jeanette Casselano, AAA spokesperson. "Crude oil prices will be a dominant factor towards determining if motorists will see slightly cheaper or more expensive pump prices in coming weeks."

Prices in several southern and Midwest states have begun to increase, even though prices remained flat in the majority of states.

States with the largest weekly changes include Kentucky (up 7 cents), Florida (up 6 cents), Utah (down 6 cents), Louisiana (up 5 cents), Wyoming (down 5 cents), Illinois (up 4 cents), Oregon (down 4 cents), Vermont (down 4 cents), Washington (down 4 cents), and Alabama (up 3 cents).

States with the least expensive gasoline include Missouri ($1.90), Arkansas ($1.94), Oklahoma ($1.94), Mississippi ($1.95), Texas ($1.96), Alabama ($1.96), South Carolina ($1.97), Kansas ($1.98), Louisiana ($1.99), and Tennessee ($2.02).

Meanwhile, the average price of diesel fell 1.1 cents to $2.965, which is now 6 cents lower than a year ago, according to a Jan. 21 update from the U.S. Energy Information Administration.