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While you might expect to pay higher gas prices over a holiday weekend, costs have actually been going down.

Drivers in Seattle and Everett are paying $3.81 a gallon on average, while Tacoma is averaging about $3.74.

The national average for a gallon of gas is just under $3.50. Southern states like Florida and Georgia have some of the lowest prices in the country.

Prices have dropped because the supply has increased while consumer demand has fallen.

Not only are people driving more efficient cars, they're also driving less than they used to.

AAA says this year's prices are the third highest on record, behind 2011 ($3.57 average) and 2008 (over $4 a gallon).

Drivers in eight states are seeing a slight price bump due to newly-implemented gas taxes. Those states are Connecticut, California, Kentucky, Nebraska, Georgia, Wyoming and North Carolina.

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