see a farm convert pig poop into electricity | national geographic Published 9 years ago • 110K plays • Length 5:16 Download video MP4 Download video MP3 Similar videos 3:02 ap television reports on farm where pig manure is used to create biogas 1:53 alternative energy: south korea factory converts pig manure into electricity 3:08 generate power from pig poop 3:13 turning waste from pig farms into natural gas
