Given one of the health-deleterious of gas cooking come from the nitrogen in the atmospheric gasses used for combustion: maybe it would make sense to have stove

Given one of the health-deleterious of gas cooking come from the nitrogen in the atmospheric gasses used for combustion: maybe it would make sense to have stoves that used a pure oxygen source alongside the methane. This would be more expensive and hazardous but as a result lead to stronger controls over the combustion process.