Gas Prices: Gas prices rise 12 cents this week

By Aaron Smith @CNNMoneyMarkets February 24, 2012: 8:29 AM ET Gas prices are already topping $4 in Los Angeles, along with other parts of the country. NEW YORK (CNNMoney) -- Gas prices have gained 12 cents this week, as tensions over Iran heat up and24, 2012 /PRNewswire via COMTEX/ -- Gas prices have risen nearly 20 cents in the last month, according to AAA. TrueCar.com, which is devoted to bringing transparency to the car buying process, expects a surge in sales of small and subcompact cars

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