Gas prices continued their sharp downward trend throughout December, falling by nearly 23 cents over the month to a national average of $2.75 per gallon on Dec. 29—the lowest level recorded since 2021, according to a report by fuel price comparison app GasBuddy.
The national average price of diesel fuel, meanwhile, was $3.52 per gallon, a dip of more than $0.05 from a week earlier, GasBuddy reported.
