The average price of a gallon of self-serve regular gasoline in the Inland Empire dropped 1.4 cents Tuesday to $4.19, the 12th consecutive daily decrease.

   The average price in Riverside and San Bernardino counties has dropped 10.1 cents over the past 12 days, including a half-cent on Monday, according to figures from the AAA and Oil Price Information Service.

   The average price is at its lowest amount since April 12 and 7.5 cents less than one week ago and 2.5 cents lower than one month ago.

   However, despite the recent decreases, the average price is 15.9 cents more than one year ago.