The price of a gallon of unleaded gasoline rose 0.4 of a cent to $2.457 per gallon for the week ending March 23, according to federal records.

The per-gallon price remains $1.092 less than it was a year ago, and registered a mixed week in the regions tracked by the U.S. Energy Information Administration. The price rose in two of the nine regions tracked, including a 10.6-cent increase to $2.391 in the Midwest. It rose 1.5 cents to $2.303 in the Rocky Mountain region. Prices fell in seven other regions, including a 6.9-cent decline to $3.047 on the West Coast and a 5.4-cent decline to $2.392 in New England.

Prices also fell in the states as tracked in the AAA's Daily Fuel Gauge Report. Gasoline costs more than $3 per gallon in California ($3.269) and Hawaii ($3.151). Gasoline in nine other states costs at least $2.50 per gallon. South Carolina ($2.106) remains the state with the lowest average price.

Meanwhile, the price of diesel fell 5.3 cents to $2.864. Diesel now costs $1.124 less than it did a year ago.