Earlier quoted context omitted.
A big part of the reason for banning gas is not energy but indoor pollution. There's pretty strong and growing evidence that cooking with gas leads to substantial health risks because of various combustion products that end up in your air (especially if not properly vented).
Are you a doctor? This one doctor (whom I probably trust the most of online doctors) disagrees. https://peterattiamd.com/putting-out-the-fire-on-the-gas-sto... > For example, the analysis included multiple studies that found an association between gas cooking and respiratory disease in children but variously failed to evaluate parental smoking habits, indoor smoke, pet ownership, or outdoor pollution as other possibl…
Older construction leaks a lot more air than newer construction, primarily due to changes in code. More specifically, the air in an older home, from the 1980s, might change over every four hours or so. In a newer home built to modern building codes, it's eight or ten hours.