Drivers are enjoying some of the lowest gasoline prices in years as the average cost of a gallon of regular-grade gas has fallen almost 25 cents in the past three weeks.

The average price of a gallon of gas in the U.S. as of Monday morning was $2.447 a gallon, according to tracking site GasBuddy.com. Last month’s average was $2.695 per gallon. In Alabama, the average price of a gallon of gas was $2.078 per gallon, down 4.5 cents from last week and down 35.2 cents from last year.

The average price in Alabama was the fifth lowest in the country, behind Missouri ($1.995); Oklahoma ($2.058); Arkansas ($2.075); and Mississippi ($2.078).

Drivers in Hawaii ($3.798); California ($3.473); Alaska ($3.212); Washington ($3.157); and Nevada ($3.129) paid the most at the pump.

Here are the 10 Alabama counties where people are paying the least for gas. Prices listed per gallon of regular fuel:

1. DeKalb - $1.983
2. Walker - $1.985
3. Colbert - $1.986
4. Lauderdale - $1.997 
5. Tuscaloosa - $1.997
6. Covington - $1.999
7. Etowah - $2.001
8. Lee - $2.009
9. Escambia - $2.012
10. Cherokee - $2.014
 

10 Alabama counties with highest average gas prices:

1. Geneva - $2.299
2. Bullock - $2.297
3. Sumter - $2.292
4. Macon - $2.252
5. Lamar - $2.249
6. Fayette - $2.242
7. Cullman - $2.195
8. Blount - $2.189
9. Conecuh - $2.189
10. Baldwin - $2.181

Source: "Gas prices plummet: 10 Alabama counties with lowest fuel prices; 10 with highest" AL.com (December 10, 2018)  Leada Gore