US gas prices hit an average of $4 a gallon again as the US and Iran launch attacks

U.S. gas prices averaged $4 per gallon as the U.S. and Iran launched attacks, according to AAA. Prices vary by state due to supply and tax factors, with oil prices rising as tensions escalate. Affordability concerns may influence the U.S. midterm elections, and President Donald Trump previously criticized the slow decline in gas prices.