> Gas is hard to replace ad hoc with electricity because you'd have to replace boilers in millions of homes and apartments, a multi-decade infrastructure projec

> Gas is hard to replace ad hoc with electricity because you'd have to replace boilers in millions of homes and apartments, a multi-decade infrastructure project The best time to start a multi-decade infrastructure project was multiple decades ago. The second best time is now. Boilers need replacing anyways, so this could have been very gracefully over time.