|
|
|
|
|
|
by kwhitefoot
1776 days ago
|
|
|
The billions of bulbs have the same proportional impact on the national energy budget as the few in your home have on yours, that is practically nothing. See David MacKay's Sustainable Energy Without The Hot Air, chapter 19. https://www.withouthotair.com/c19/page_114.shtml |
|
|