Mars Petcare has opened a new production plant in Fort Smith, Arkansas, the first sustainable pet food manufacturing facility in the world. The US$ 80 million, 305 000 square foot state-of-the art plant will produce the popular Mars line of “Cesar” for small dogs and has received LEED-Gold certification from the United States Green Building Council. LEED is the nationally accepted benchmark in the US for designing, constructing and operating green buildings. The Fort Smith facility was awarded "Gold" status for its efforts to recycle water, reduce energy use and protect against erosion and light pollution.