0807 gas
Customers fuel their cars at a Chevron gas station on July 27, 2012 in Greenbrae, Calif. - 

Jeremy Hobson: A major refinery for Chevron caught fire in California last night. The fire in Richmond, outside of San Francisco, has been extinguished, but one employee was injured at the plant and hundreds of area residents have gone to the hospital with breathing problems because of the smoke. And the fire could be bad news for drivers across the West, because one less refinery online is likely to mean higher gas prices.

Juli Niemann is an oil and gas analyst with Smith Moore and Company and she joins us live from St. Louis as she does every Tuesday.