Five gas stations in California reached $9.999 per gallon for diesel, hitting the maximum four-digit price limit that digital displays on standard pumps can show, according to data from GasBuddy. California diesel prices averaged $7.76 per gallon as of September 9, representing a 55-cent increase in a single week and a $2.81 surge from the previous year following the closure of the Strait of Hormuz during the U.S. war in Iran. The U.S. national average for diesel reached a record high of $5.87 per gallon, surpassing the previous record of $5.81 per gallon set in June 2022. Regulators in California have launched an investigation into reports of extreme fuel pricing at individual gas stations across the Los Angeles and San Bernardino areas. President Donald Trump acknowledged that oil prices are unlikely to decrease until after the upcoming midterm elections, despite authorizing the release of 172 million barrels from the Strategic Petroleum Reserve to combat rising costs. In fullGas stations in America are starting to max out their displays with $9.999 prices