REFINING separates crude oil into the fuels that drive engines.
Allows the POWER PLANT.
The power plant is the dirtiest of the three. Replace it with a HYDRO or NUCLEAR plant as soon as you are able.
Civilization Advance
Refining
Data
- Requires
- Chemistry, The Corporation
- Allows
- Combustion (with Explosives)
Plastics (with Space Flight)
Power Plant improvement