CVI CVR Energy Inc

Chevron Corp. (CVX) reported flaring at its 245,000 barrel-a-day Richmond, Calif. refinery Aug. 28. A spokesman said Tuesday morning's flare was in the gasoline-making fluid catalytic cracking unit and lasted a few minutes.

PFB Energy said in a filing Aug. 27 that its 182,200 barrel-a-day refinery in Delaware City flared more than 500 pounds of sulfur dioxide due to a mechanical failure Sunday evening.

Phillips 66 on Aug. 25 reported an unscheduled process unit shutdown resulted in flaring of sulfur dioxide at its 120,200 barrel-a-day refinery in Rodeo, Calif.

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