Five years ago, dairy farmer Darryl Vander Haak flipped the switch on the first electric generator in Washington State powered by manure.

VOA: standard.2010.02.23

Dairy Crest is closing five processing plants across the UK, with the total loss of around 800 jobs.

BBC: Mothballed dairy will be sold

If a natural gas producer can enter five-year-forward contracts, why can't a dairy farmer smooth out his cash flow by linking feed and milk prices?

FORBES: Creative destruction 101

That's because there are only five Stilton producers, and their products are easy to track, says Janice Breedon, the dairy's marketing manager.

WSJ: The Deal on Those Wildly High Price Tags