US gas prices hit an average of $4 a gallon again as the US and Iran launch attacks AP NewsGas prices back at $4 a gallon CNNU.S. gas prices hit an average of $4 a gallon again as the US and Iran launch attacks WMURU.S. Average Gas Price Returns to $4 a Gallon as Iran Crisis Escalates The New York TimesGas prices hit $4 again after oil soars more than 15% in a week NBC News
