[albertopv]

"That sentence doesn't make any sense grammatically"

I'm sorry, still trying to learn a foreing language, thank for your caring advice.

"Consumption reduction = lower quality of life "

That's false, see LED lights.

[andromeduck]

Efficiency has it's limits and many industrial processes are already pretty close.

[albertopv]

Of course there are limits, but new processes can be invented, it's just history. Electric cars are much more efficient than ICE ones. First civilian jet engine designs could be efficient up to a point, then they changed designs. Laser uranium enrichment is so much more efficient that USA classified it [1]. Transformers training is more efficient. And so on...

[1] https://en.wikipedia.org/wiki/Separation_of_isotopes_by_lase...