Gasoline prices are at an all-time high for the week following Labor Day and the end of the traditional summer driving season.
The average price of regular gasoline in California was $3.946 a gallon Friday, according to the AAA Fuel Gauge Report. That was an increase from $3.888 a gallon a week earlier, and it was 91 cents a gallon higher than the price a year earlier.
The latest average gasoline prices in the state topped the previous post-Labor Day high of $3.859 a gallon in September 2008.
Nationally, the average price of a gallon of regular gasoline reached $3.659 on Friday, up 1.2 cents compared with a week earlier and nearly 98 cents higher than a year earlier. The latest U.S. average also was a record for the week following Labor Day.