FILE PHOTO: A Chevron gas station sign is seen in Del Mar, California, April 25, 2013. Chevron will report earnings on April 26. REUTERS/Mike Blake/File Photo/File Photo
FILE PHOTO: A Chevron gas station sign is seen in Del Mar, California, April 25, 2013. Chevron will report earnings on April 26. REUTERS/Mike Blake/File Photo/File Photo