The Associated Press
Sunday, January 21, 2007; 9:21 PM

CAMARILLO, Calif. -- The average retail price of gasoline nationwide dropped nearly 14 cents over the past two weeks, mirroring a drop in crude oil prices.

The national average for self-serve regular was $2.18 a gallon, industry analyst Trilby Lundberg said Sunday.

The average for midgrade was $2.29, while premium was $2.40 a gallon, according to Lundberg's latest survey of 7,000 gas stations across the country.

The cheapest gas in the country was found in Detroit, where the price of self-serve regular was $1.86. The highest average price for that grade was $2.81 a gallon in Honolulu.

California prices on average for regular grade was $2.52, down nearly 9 cents from two weeks ago. Among California cities surveyed, the highest price was in San Francisco at $2.62, and the lowest was in Bakersfield at $2.44.

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On the Net:

Lundberg Survey: http://www.lundbergsurvey.com