[simgt]

The point is that we will simply stack their output on top of the rest, and use the extra supply for new usages.

https://en.wikipedia.org/wiki/Rebound_effect_(conservation)

> the rebound effect deals with the fact that improvements in efficiency often lead to cost reductions that provide the possibility to buy more of the improved product or other products or services

In the topic discussed here the efficiency gain is how much GHGs can be poured in the atmosphere with moderate consequences