Healthy West Coast margins put Tesoro back in profit column

Allen Baker, Petroleum News Contributing Writer

It’s been a long time coming, but Tesoro Petroleum Corp. returned to the black in the first quarter, showing earnings of $20.4 million, against a loss of $55.6 million a year ago and red ink in every quarter since. And the company took an $8.8 million charge related to early retirement and severanc....

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