cheese factory is the crave's biggest money maker, cranking out thousands of pounds of mozzarella, mascarpone, and a soft cheese called les frere, which appropriately is french for "brothers." and where will this be sold? >> this is sold in a lot of specialty markets, boutique markets, and wine stores and that type of item. this is a very much a high end type of a cheese. >> reporter: another innovation- - a methane digester. the huge structure converts manure from the cows into energy for the area's power grid. >> it's enough power for the farm, the cheese factory, and 300 homes. >> reporter: and byproduct from the digester is pumped out to the fields to fertilize the crave's corn and soybeans. >> this is a little bit cheaper than loading it on trailers and hauling it out to the field on tractors, so we save some money and we aren't compacting the soil. we figure 150 if we're easy. >> they always look toward the future. recently, mark, the youngest brother, was made the farm's general manager. >> i try... in my new role, try to spur just a little more momentum behind decisions and try to get