PIXLEY, Calif. (AP) — The stench of cow feces, urine and ammonia forces residents to keep windows and doors closed in parts of California's farming country. Some people constantly run air purifiers at ...
A new study shows that systems designed to capture methane from cow manure, called dairy digesters, are highly effective. But on the rare occasions they fail, the leaks are large enough to offset ...
At barn No. 5 at the Larson Dairy farm just north of Lake Okeechobee, a line of cows pump out milk bound for grocery stores shelves and family refrigerators across Florida. Being cows, they are also ...
More than a decade ago, California helped spark a boom in biofuels — produced from plants or animal waste — with its first-of-its-kind Low Carbon Fuel Standard. The program forces carbon-intensive ...
BAKERSFIELD, Calif. — At a massive dairy farm in the San Joaquin Valley, nearly 14,000 Holstein cows crane their necks through feeding stalls and gnaw leisurely on alfalfa. Meanwhile, close to their ...
Most digesters are in dairies that capture methane from lagoons of cow manure and turn it into biofuel. Liquified cow manure commonly is stored in a covered digester where microbes from the animals' ...
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