Average price of gas hits $4 as Iran war heats back up

The average gasoline price in the U.S. has risen to $4 per gallon as the U.S.-Iran conflict escalates again.

According to AAA, the average price was exactly $4 on Monday, a number it had been creeping toward in recent days after the ceasefire between the U.S. and Iran fell apart.

That’s up from about $3.87 a...