ALAMEDA, CA - JANUARY 29:  The Chevron logo is displayed at a Chevron gas station January 29, 2010 in Alameda, California. Chevron reported a 37 percent decline in fourth quarter profits with earnings of $3.07 billion, or $1.53 a share compared to $4.9 billion, or $2.44 a share, a year ago. (Photo by Justin Sullivan/Getty Images)