“An average dairy cow can produce about 22,000 kilograms of manure a year, so it can be a source of a lot of pollution,” she ...

BURLINGTON, Vt. (WCAX/CNN/CNN Newsource/WKRC) - Researchers have developed a new system that converts cow manure to propane.

Scientists at Michigan State University say they have developed a system that turns cow manure into clean water, while extracting valuable nutrients and helping the environment, which is as gross as ...