It is said that cows’ fart contains a large portion of methane which contributes to the greenhouse gas. People are trying to reduce methane emission by changing the diet of the animals, giving them drugs, or developing new microbes to consume the methane. I immediately thought about a gas absorption device on reading about this.
Hope this may help…
Isn’t that how marmite is made?
Doesn’t appear to be properly connected to the cow…! Unlike the one in the article you cited:
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