Aelfled

Smelting iron and steel can be power positive if you don't use an aqua tuner, your coolant gets toasty, but petrol never gets high enough to boil to sour gas

It was in the patch notes. Princes drop whatever it is for what they breathed in.

Hmm, someone presumably decided that it couldn't just abandon the attempt to create the gas packet, but an unbounded while loop doesn't seem like the best plan either...

Perhaps this should be a user preference?

They aren't the same factors You get slightly more metal than normal with both, just as you get slightly more geysers with geo active and geo dormant

It's not a skill, it's a category of errand, specifically providing algae to deoxidisers, and similar, it's a separate category so that you can de-prioritise supply without necessarily suffocating your dupes.