A lit sign at Chevron's oil refinery in Richmond, California is seen through a window after a large fire erupted earlier in the evening

Reuters
A lit sign at Chevron's oil refinery in Richmond, California is seen through a window after a large fire erupted earlier in the evening
A lit sign at Chevron's oil refinery in Richmond, California is seen through a window after a large fire erupted earlier in the evening on August 6, 2012. REUTERS/Susana Bates
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