For the ninth straight week, gas prices gained in Los Angeles, according to data from the Energy Information Administration.

The average gallon of self-serve regular in the Los Angeles area was $2.329 for the week ended March 14, up from $2.280 the previous week. L.A. gas prices are 18 cents higher per gallon than they were just one year ago.

The statewide average was $2.287 per gallon for the week ended March 14, up from $2.229 in the prior week, and nearly 19 cents higher than one year earlier.

California remained the most expensive state in which to buy a gallon of gas, and Los Angeles was the most expensive city out of the 10 surveyed. Only three of the cities in the weekly update were under the $2 mark for the week. Houston was the least expensive, ringing in with $1.910.