Inflation jumps to its highest level since 2023. Here are 3 things costing a lot more Gasoline prices have jumped about $1.50 a gallon since the U.S. launched its war with Iran. Rising fuel prices are a big driver of overall inflation. Ronaldo Schemidt/AFP hide caption toggle caption Ronaldo Schemidt/AFP The U.S. war with Iran has pushed inflation to its highest level in almost three years. Consumer prices in April were up 3.8% from a year ago, according to a report Tuesday from the Labor Department. That was the biggest annual increase since May 2023. Prices rose 0.6% between March and April. From gas prices to housing, here are three things to know about the rising cost of living. Loading... Gas prices are a big driver Gasoline prices have jumped sharply since the war began, snarling tanker traffic in the Strait of Hormuz, a vital corridor for energy shipments. The average price of regular gas is $4.50 a gallon, according to AAA. That's up 38 cents from a month ago.…