The closing of summer has not brought the typical drop in gas prices.

After moving steadily down since May — when prices normally go up because of increased travel — the average cost of a gallon of gas actually rose slightly since Labor Day.

The rise in gas prices are not not consistent, however, as some Intermountain West states actually saw a drop. However, drivers in Utah are feeling the pinch more, as the state saw one of the biggest increases nationally and is now one of the 20 most expensive states.

"Typically prices drop this time of year as suppliers sell off the summer formulated fuel to make way for winter blends," said Rolayne Fairclough, AAA Utah spokesperson. "The winter fuels are cheaper to blend and the summer's high demand has ended, so consumers usually enjoy cheaper prices in autumn."

Utah prices are up eight cents in Utah to an average price of $2.81 for a gallon of gas since early September, according to data released by the American Automobile Association. The price is 29 cents higher than one year ago.

By contrast, the national average price dropped five cents, to $2.76. Neighboring states such as Montana, Wyoming and Colorado — where prices dropped 14 cents — actually saw a decrease, while Idaho, Nevada and Arizona all saw increases similar to Utah's.

California, whose gas price increased 20 cents in the last month, and Hawaii are the only states with prices over $3. Hawaii is the most expensive, at $3.19, while New Jersey is the lowest at $2.53


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