Elkin Palacin wakes up at three in the morning every day. His work is milking the cows and rotating the cattle on the small 20-hectare El Triunfo farm in
Farms produce biogas from cow dung in northern Colombia caribbeanherald.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from caribbeanherald.com Daily Mail and Mail on Sunday newspapers.