The national average price for a gallon of unleaded gasoline rose 7.7 cents to $2.485 for the week ending April 20, federal records show.

Gasoline prices still remain $1.198 lower than a year ago, yet they rose across the board in nine regions tracked by the U.S. Energy Information Administration. The sharpest increase came in New England with a 14.2-cent increase to $2.491. The Central Atlantic region saw an 11.1-cent increase to $2.527. The most mild price increase came on the West Coast, excluding California, where the price rose 3.2 cents to $2.642.

Among states, 14 and the District of Columbia now have average gasoline prices of at least $2.50 with California and Hawaii averaging above $3 per gallon. At the same time, 10 states have average prices below $2.30 with Mississippi and South Carolina recording the lowest average price.

Meanwhile, the average price of diesel rose 2.6 cents to $2.78 per gallon. This price is $1.191 lower than it was a year ago.