U.S. Gas Prices Top $4 as Middle East Conflict Disrupts Supply

The national average price for gasoline in the United States passed the $4 per gallon mark on Monday as the conflict in the Middle East continues to escalate. Later in the day, prices retreated slightly, to stand at $3.950 per gallon, according to GasBuddy, and $3.990 per gallon, according to AAA.