The average price of a gallon of self-serve regular gasoline in Riverside County recorded its largest increase since June 23 Monday, rising six-tenths of a cent to $4.315.
The average price is eight-tenths of a cent more than one week ago but 7.7 cents less than one month ago and 21.8 cents lower than one year ago, according to figures from AAA and the Oil Price Information Service.
The average price has dropped $2.058 since rising to a record $6.373 on Oct. 5, 2022…