Among the more than 2,500 breweries in the United States, MillerCoors said it has accomplished something no other brewer can claim: a zero-waste factory.
MillerCoors changed its production process at its largest facility, in Golden, Colo., so it reuses or recycles 100 percent of the waste it generates, including all glass, paperboard, plastics, metal and brewing byproducts, such as spent grain. No waste is sent to any landfill.
(READ the story from CNBC)