Mars Inc is opening its first new plant in 35 years. The $270m chocolate plant, south of Topeka, Kansas, will be able to produce 14 million bite-sized Snickers each day, as well as 39 million M&M's, enough to fill 1.5 million fun-sized packs. “We have been growing, and we see future growth,” said Debra Sandler, president of Mars Chocolate North America, in an interview ahead of the opening. “We need the capacity.” The company's New Jersey-based chocolate unit, Mars Chocolate, has 16,000 employees in 21 countries. It produces 29 brands that include M&Ms and Snickers, which it says a...