..from its manure digesters, not from the cows.

This works in America where cows are kept on concrete and fed hay. It is currently impractical to collect manure from fields in countries with more traditional farming methods, but i imagine some kind of field sized roomba could be developed?

Original article:

https://news.ucr.edu/articles/2025/06/11/california-dairy-tr...

Please try not to use phys.org...

On the content of this article, they fail to point out a major problem in California driven by the state initiative to compensate farms for this practice.

Efforts to reduce the actual amount of methane produced have reversed, and the ammonia byproduct has increased.

Dairy farms are now using the state incentive to capture methane as an additional source of revenue.

https://insideclimatenews.org/news/19092022/dairy-digesters-...

I would be interested to know what's the risk of explosion. If something bad happens, it would upgrade the meaning of "shit hits the fan".