 It's already the 250th anniversary year of the first Continental Congress at Carpenters Hall in Philadelphia. Mark Fouser, WDEL, Delaware's News Radio. A six cent increase in local gas prices last week in the Wilmington area, according to the latest GasBuddy survey. Average cost of a gallon of regular, $3.52. Eight cents higher than a year ago, but a dollar less than it was at this time in 2022. GasBuddy analysts say slight fluctuations in prices both up and down can be expected short term.