Waste **t, Want **t: Why Aren't More Farms Putting Poop To Good Use?

[ahlam1399]

Digesters convert livestock manure into electricity. Farmers can use it to power their operations or even sell some back to the grid. But some have found the tech**logy too pricey to maintain.

أكثر... (http://www.npr.org/sections/thesalt/2017/04/23/524878531/waste-**t-want-**t-why-arent-more-farms-putting-poop-to-good-use?utm_medium=RSS&utm_campaign=news)