Diesel prices could become a "silent killer of the U.S. economy" if they remain at current levels, Patrick De Haan, head of petroleum analysis at GasBuddy, said. Rising diesel costs are passed to consumers through prices for food, consumer goods and energy because the fuel is used to move goods by truck and train. Fuel costs are increasing as the Iran and Ukraine wars have knocked out refineries. The article is tagged @LCO27G.