Trucker Heather Griffith saw the impact of the war in Iran on Tuesday on the fuel pump display at an AMPM convenience store in Lost Hills, California.
Putting 100 gallons of diesel into her blue Peterbilt 389 truck cost her $642. With Iranian threats having effectively closed the Strait of Hormuz to oil tanker traffic, the national average price of a gallon of diesel — already higher than regular gasoline — has jumped by nearly $1 in the past week.
