Friday's national average price was at $2.53, compared to $2.45 the previous Friday. In Washington, D.C., gas was at $2.63 on Friday, up 4 cents from the previous week.AAA Mid-Atlantic says higher crude oil costs have been pushing up gas prices in recent weeks. But the agency says gas prices are still substantially lower than recent years. At this time last year, the national average price for gas was at $3.70.
Gas prices this summer are expected to remain $1 a gallon lower than last summer.