As far as economic advantage goes, keep in mind that carbon emission famously is an unpriced externality. Everyone's given up on trying to put carbon pricing in

As far as economic advantage goes, keep in mind that carbon emission famously is an unpriced externality. Everyone's given up on trying to put carbon pricing into place to make the economics "naturally" work out, but in a world where heat pumps and methane gas have similar to-the-consumer pricing, the true cost of heat pumps is lower.