[minitech]

Not sure about the answer to the original motivating point, but as a tangent, gas stoves in homes do cause breathing problems (because of non-CO2/water products). Top couple of search results:

- https://www.scientificamerican.com/article/the-health-risks-...

- https://www.cbc.ca/news/science/gas-stoves-air-pollution-1.6...