The average price of a gallon of self-serve regular gasoline in Los Angeles County dropped one-tenth of a cent Friday to $4.446, its lowest amount since Dec. 26, 2022. The average price has dropped four consecutive days, decreasing 1.7 cents, including nine-tenths of a cent Thursday, according to figures from the AAA and Oil Price Information Service. The decreases follow three consecutive increases totaling six-tenths of a cent.