If energy use is growing but natural gas is not, then as long as energy use keeps growing it seems fair to say that natural gas is being sunsetted. They're still using it but seemingly not investing in new uses of it very much anymore.
It's not ideal news, but it is hopeful.
Mods might not make them successful, but they do make the games actually playable and enjoyable, especially as each new release has more never-to-be-fixed bugs than the last.
I've got a friend planning to buy Fallout 3 for PC, but no way they'd buy that for console after all this time. The experience just can't hold up.