Diesel is the workhorse of the global economy. It’s used everywhere to keep trucks, tractors, freight trains and factories moving. And its ubiquity means the increase in its price will exacerbate global inflationary pressures.From central bank interest rates to supermarket prices, a lot hinges on diesel. On Tuesday, average U.S. retail diesel prices posted the fifth-consecutive fresh daily record, surging above $5.3 per gallon, up nearly 75% from a year ago. The price spike is worse on the Eastern seaboard, where diesel retails now for more than $6 per gallon, nearly double 2021’s price.The oil tanks in New York harbor are nearly empty for reasons both global and local. Around the world, diesel is in short supply as demand has surged well above pre-Covid levels, spurred by a boom in freight…

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