California drivers are paying about $5.50 a gallon at the pump, up about 3 cents since yesterday, making it one of the highest averages in the nation. Gas prices in Oakland and San Francisco are sitting at $5.60 a gallon right now. That’s a bit higher than the $5.38 people are paying in Los Angeles.Advocacy group Consumer Watchdog blamed both state policies and the international turmoil, saying taxes, environmental regulations and refinery constraints are just as responsible as crude-market disruptions