What did you do?
I used the Adjustable Quality mod (https://mods.factorio.com/mod/adjustable-quality) which can adjust quality prototypes, for instance crafting_machine_energy_usage_multiplier , and can also set quality_affects_energy_usage on prototypes.
The following setup in Adjustable Quality ...

* What did you do?
I'm playing a lategame Space Age save with mining productivity 589+. We're mining sulfuric acid on Vulcanus with pumpjacks.
* What happened?
Despite theoretically producing 50k sulfuric acid per second, the majority of the time the pumpjack is idle while the pipe is nearly empty ...

- What did you do?
I have an assembling machine that is set to craft a legendary recycler directly, and am trying to fill it with bots. I am picking each ingredient (with Q) individually to ghost-pick that ingredient and order bots to fill it.
- What happened?
Picking each ingredient without that ...