|The following is based on information from Van Buren design documents and is not canon.|
It'll take some convincing and trust, but if they let you shut down the furnace for a couple of days so you can make some upgrades, you can make it burn hotter and with less fuel, giving them better yields on their smelting.
Character type completion breakdown
- ScienceBoy - Is the one with the know-how. If your science is really good, the result is even better than normal.
- DiploBoy - Has a better chance of talking them into shutting down the furnace.