Prices are up 21% from a month ago with the oil market roiled by the U.S.-Iran war. Drivers are seeing the highest gas prices in more than a year and a half as the U.S.-Iran war disrupts the global oil trade. The average price per gallon of unleaded gas in the U.S. climbed to about $3.54 per gallon on Tuesday, according to AAA. That... [3729 chars]