That's a new one to me but I added it to my watch list. If I lived in AZ I'd have solar panels all over my roof. I watch Ask This Old House and they did a segment on a filament that goes on windows that generate electricity. https://www.3m.com/3M/en_US/building-window-solutions-us/solutions/energy/ The tech is several years away. I hit a HR with CAT Ford continues to piss me off.