Don’t blame just the gas tax for California’s pump prices — refineries are getting paid $3 billion more a year than they should

Los Angeles Times » Estimates of a mysterious premium being collected by the state’s refineries range from at least 20 cents per gallon — as calculated by UC Berkeley energy economist Severin Borenstein — to more than 30 cents, as reckoned by the advocacy group Consumer Watchdog. Neither figure includes the Nov. 1 tax increase.