Doesn't that make the double-glazing on the windows and insulation kind of... dumb, then? I guess it's about incremental progress. And people with too much money will surely buy them, I suppose.Yeah, far from sufficient for RV-platform use at this point... but for the myriad Amazon/DHL/UPS/FedEx delivery uses that's probably plenty, especially if level 3 DC fast charging is in place at a central depot.