At this facility, Fresh Express receives lettuce and spinach trucked from field cooling stations for processing, mixing, packaging, extremely short-term storage, and distribution. Most of its product comes from the Salinas Valley, which is responsible for the majority of U.S. production of leafy greens. The plant uses a 53,000 lb ammonia refrigeration system to maintain the salad mix at between 34 and 38 degrees F. Fresh Express also operates processing facilities in Dallas, Chicago, Atlanta and Carrollton, Georgia. Turnaround time in the plants is extremely quick: the salad leaves are on supermarket shelves within 72 hours of harvest. Fresh Express launched the bagged salad industry in 1989 and still has a forty percent share of the market. In addition to retail, its customers include McDonald's and Yum Brands’ Taco Bell and KFC chains.Chiquita bought Fresh Express in September 2005, in a deal said to be worth nearly $1 billion. Chiquita’s goal in the acquisition, according to its CEO, was to diversify its offerings and reduce its reliance on its signature product, the banana, which nonetheless still accounts for 42 percent of its revenue.