"Diesel hits record high as Ukraine, Iran wars knock out refineries"

https://www.cnbc.com/2026/09/04/diesel-price-record-high-ukraine-iran-inflation.html 

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Truckers in the U.S. are paying an average of $5.85 a gallon nationwide, a nearly 60% increase over the same period last year when diesel cost $3.71 a gallon. In California, diesel costs $7.70 per gallon, almost $2 a gallon more than the national average.."