Maybe we should increase the standards in the building code so they have to put in these doors and windows at this level of efficiency, or there has to be this flexibility as far as new innovation is concerned, and there have to be furnaces or, wherever available, ground-source heaters, or whatever. Do you know what I'm saying? Do we need to drive that change because it's not happening on a voluntary basis?
On February 15th, 2018. See this statement in context.