Gas prices in the United States reached their lowest levels in about four years this week, with California a reflection of the greater overall trend in the United States. The U.S. average price of a gallon of self-serve regular gasoline fell 15.2 cents to $2.072, down 50 percent from its all-time high of $4.114 on July 7, according to the Energy Department's weekly survey of filling stations around the country. The price was the lowest since March 14, 2005, when the average in the nation stood at $2.056 a gallon. The California price fell 18.1 cents to $2.374 a gallon during the week, which was 48% off the record of $4.588 set June 16. It was the lowest average for California gasoline since the $2.328 recorded Jan. 9, 2006.
