Oil Refining Margins Are Sounding the Alarm, Again
The WTI ‘3-2-1 crack spread’ touched a three-month high of $42 a barrel — and that could be worrisome for consumers.
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### Instruction: Oil Refining Margins Are Sounding the Alarm, Again

### Response: The WTI ‘3-2-1 crack spread’ touched a three-month high of $42 a barrel — and that could be worrisome for consumers.