The average price of a gallon of gas in the United States hit $3.54 on Tuesday as the Trump administration continues military action against Iran.

Prices are up 21% from a month ago with the oil market roiled by the U.S.-Iran war.

The average price of a gallon of gas in the United States hit $3.54 on Tuesday as the Trump administration continues military action against Iran.

As of March 11, every U.S. state recorded higher prices for regular gasoline compared to one month earlier.