Biogas made from pig manureTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video07/11/2019July 11, 2019Most rural households in Africa depend on firewood for cooking, but according to the WHO this is damaging the health of entire families. In Rwanda, a woman has switched to a cleaner fuel source: biogas made from pig manure.https://p.dw.com/p/3LwpeAdvertisement