No way in hell you are going to put a wok on an electric stove.”That was Steven Lee, a San Francisco official and restaurant investor, as quoted in the San Francisco Chronicle last year after the city’s Board of Supervisors voted to outlaw natural gas in new buildings.Nevertheless, they persisted. Per the Sierra Club, the quickening campaign to phase out natural gas recently notched its 50th city-level win in California alone. (Take a bow, Encinitas!) No. 50, as with some others, has “situational exemptions” for restaurants and the like, but the overall push to compel an all-electric design for homes...