The average price of a gallon of self-serve regular gasoline in Los Angeles County rose Sunday for the 30th time in 31 days, increasing 2.3 cents to $4.089, its highest amount since June 12.
The average price has increased 39.7 cents over the past 31 days and is 20.9 cents more than one week ago, 39.7 cents higher than one month ago and 34.5 cents greater than one year ago, according to figures from the AAA and Oil Price Information Service.
The Orange County average price rose Sunday for the 29th time in 31 days, increasing 2.1 cents to $4.073, its highest amount since June 10. It is 20.6 cents more than one week ago, 43 cents higher than one month ago and 34.6 cents greater than one year ago.
The Orange County average price has increased 43 cents over the past 31 days, including 5.2 cents on Saturday.
Analysts attribute much of the recent increases to Monday night's in Richmond, CA, that caused wholesale gasoline prices to rise Tuesday out of fears of decreased supply.
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