Global oil prices have climbed more than 55% since the outbreak of the Iran war.
Consumers spoke with ABC News about weathering a monthslong surge of inflation.
Americans are feeling the pain at the pump.
The average price for a gallon of diesel was around $6.43 as of Friday.
According to AAA, California's statewide average price for diesel has reached $8.21 per gallon, far above the national average of $6.26. In some parts of the Bay Area, prices are even higher.
President Donald Trump called on Ukrainian President Volodymyr Zelenskyy to halt strikes on Russian diesel, saying the attacks are causing a fuel shortage.