US gasoline pump prices rose the most in more than a year and are climbing back toward the highest levels of 2023, threatening to complicate the fight against inflation. Average fuel costs rose 4 cents to $3.636 a gallon on Monday, the biggest gain since June 2022 and just 5 cents shy of this year’s peak in April, according to auto club AAA. The jump came after one of the largest US refineries — Exxon Mobil Corp.’s site in Baton Rouge, Louisiana — suffered a disruption that may partially shut it down for weeks. The increase chips away at the cheaper gasoline Americans have enjoyed so far this summer, a contrast to ... (full story)