Lundberg Reports Gasoline Prices Rise 9 Cents to $2.33

etail gasoline prices nationwide rose nearly 9 cents in the past three weeks to $2.33 a gallon, according to the latest Lundberg Survey of filling stations.

Self-serve regular averaged $2.30 a gallon, mid-grade was $2.40 and premium was $2.50, analyst Trilby Lundberg said in her report, issued twice a month.

Retail gasoline pump prices have risen 17 cents in the past five weeks, Lundberg said.

Among stations surveyed, the lowest average price in the country for regular unleaded was in Salt Lake City at $2.03 a gallon. The most expensive was $2.59 a gallon, in Honolulu.