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For 2017, the highest average gas prices in the nation were in the west coast states plus Alaska and Hawaii. Hawaii had the highest average at $3.09 per gallon, followed by California at $3.00, and Alaska at $2.89. Gas prices were generally more expensive in the north and northeast than in the southern states. Factors contributing to price variance include distribution cost, taxes, and octane content. South Carolina had the lowest average gas price at $2.13 per gallon while the national average was $2.40 per gallon. The price of gasoline can vary greatly among individual stations across each state.

Map of the United States showing gasoline prices in each state in 2017.

Note: Prices were collected the first week in each month in 2017 and used to derive a yearly average.

Source: AAA, State Gas Price Averages, 2017.

Fact #1013 Dataset

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