W2E’s Unconventional Renewable Natural Gas Innovation

This Colorado start-up has devised a way to create valuable energy products while managing dairy manure waste.

A Connecticut dairy farmer, thinking about what he's going to do with all the manure his herd is producing. (Courtesy of USDA Natural Resources Conservation Service)

The idea of “renewable natural gas” is almost laughable. Who would think that fermenting a foul-smelling pile of poop could generate a valuable stream of natural gas? In an article about the