Quiz: Why are California gas prices so high?

California motorists have been battered worse than those in any other state this year. Fuel prices in the state hit a record Oct. 9, with an average of $4.671 for a gallon of regular gasoline. The state is also on pace to average more than $4 a gallon for the year — a first. It’s a situation that has prompted both of California’s U.S. senators to call for investigations by the Federal Trade Commission and the Justice Department. How much do you know about why California gasoline prices are so high?

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