In this Tuesday, Aug. 21, 2007 file photo, the sun sets behind an oil refinery on Rosedale Highway, in Bakersfield, Calif.
In this Tuesday, Aug. 21, 2007 file photo, the sun sets behind an oil refinery on Rosedale Highway, in Bakersfield, Calif. Casey Christie AP
In this Tuesday, Aug. 21, 2007 file photo, the sun sets behind an oil refinery on Rosedale Highway, in Bakersfield, Calif. Casey Christie AP