Sustainable Farming - TechKnow

Fair Oaks Farms is home to over 36,000 cows that produce milk for distribution all over the Midwestern United States. However, the most impressive export of the Fair Oaks cows might not be their milk. The farm recently invested $19 million into an anaerobic digester that converts the cow manure into compressed natural gas (CNG).

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Видео Sustainable Farming - TechKnow канала Al Jazeera America