Gas prices are 10 cents higher in Pennsylvania this week at $3.403 per gallon, according to AAA East Central’s Gas Price Report.

Nationwide, gas prices increased by 4.5 cents this past week, with the national average for a gallon of regular gasoline rising to $3.246. Several factors are driving the increase, including refinery maintenance and the switch to summer-blend gasoline.

The last time the national average reached $3.25 was in September, consistent with seasonal trends; however, current prices remain below those of this time last year. Tuesday’s national average is 15.1 cents higher than it was a month ago but 35.2 cents lower than it was a year ago.

According to new data from the Energy Information Administration, gasoline demand decreased from 8.64 b/d last week to 8.49. Total domestic gasoline supply decreased from 239.1 million barrels to 237.6. Gasoline production increased last week, averaging 9.3 million barrels per day.

The nation’s top 10 most expensive gasoline markets are California ($4.95), Hawaii ($4.52), Washington ($4.39), Nevada ($4.01), Oregon ($4.00), Alaska ($3.65), Illinois ($3.49), Arizona ($3.41), Pennsylvania ($3.40) and Idaho ($3.36).

The nation’s top 10 least expensive gasoline markets are Mississippi ($2.75), Oklahoma ($2.78), Tennessee ($2.78), Louisiana ($2.83), South Carolina ($2.84), Texas ($2.85), Alabama ($2.86), Arkansas ($2.86), Kentucky ($2.87) and Kansas ($2.88).

For electric vehicles, the nation’s top 10 most expensive states for public charging per kilowatt hour are Hawaii (57 cents), West Virginia (47 cents), Montana (45 cents), South Carolina (43 cents), Tennessee (43 cents), Idaho (42 cents), Kentucky (41 cents), Alaska (41 cents), New Hampshire (41 cents) and Louisiana (40 cents).

The nation’s top 10 least expensive states for public charging per kilowatt hour are Kansas (22 cents), Missouri (25 cents), North Dakota (27 cents), Iowa (27 cents), Nebraska (28 cents), Delaware (28 cents), South Dakota (28 cents), Texas (30 cents), Utah (30 cents), and the District of Columbia (30 cents).

Motorists can find current gas prices nationwide, statewide, and countywide at GasPrices.AAA.com.