Methane was rebranded as natural gas and is used to generate electricity, heat homes, and cook food. Among other uses.

afaik it's used as fuel a lot, natural gas stuff like LNG and CNG

a couple of the larger cattle operations near me actually do have the manure go to a 'digester' where the methane is captured and pumped into the natural gas distribution system.

It's too bad we can't get animals (including ourselves) to hold it all day then dispense it into a fuel tank for home use.

Harvesting methane from landfills and livestock waste is done, it’s just not nearly as efficient as getting it from the ground.

And while it’s a potent greenhouse gas it breaks down much faster than CO2 in the atmosphere