Refinery
Game Manual
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The Refinery refines Crude Oil 
into barrels of Diesel/Chemicals 
. Crude Oil is produced by Oil Wells and needs to be transported to a Refinery in order to be converted into Diesel . This is then mainly used to produce Diesel Tokens 
at the Factory. Also, Diesel is used as primary fuel in Oil Power Plant and as secondary fuel at Steelworks. Furthermore, diesel can be converted into chemical fertilizers at the Farm if you have Chemical Fertilizers extension built.
The Refinery is an Era III building, therefore when transitioning from the Steam Era to the Early Diesel Era several Refineries will appear in random locations across the map.
Processes
The base unit of the Refinery consumes 2 Crude Oil and produces 1 barrel pf Diesel every Game tick. There are three extensions that can be added to the Refinery, two of which increase the conversion of Crude Oil to Diesel . The third one, the Propane plant extension adds a new process to the Refinery that converts Crude Oil into Goods 
and Diesel tokens . With all extensions added to a single Refinery, it will consume 8 Crude Oil while producing an average of 6 Diesel , 0.67 Goods and 0.33 Diesel tokens every Game tick.
Some of the buildings can be connected to the electrical network 
from Era 5 onward, which will further increase their production. The amount of electrification production bonus (if applicable) is shown in the brackets at each building.
The base production process for the Refinery is shown below:
| Image | Name | Consumes | Produces | Ticks to complete |
Building dimension (tiles) |
|---|---|---|---|---|---|
|
Refinery | 2
|
1 + (1 )
|
1 | 2x3 |
Extensions
| Image | Name | Cost | Consumes | Produces | Ticks to complete |
Building dimension (tiles) |
Unlocked at epoch |
|---|---|---|---|---|---|---|---|
|
Propane plant | 500 
|
3
|
2 1
|
3 | 1x2 | - |
|
Additional fractionation equipment | 250 30 
|
3
|
3
|
1 | 2x2 | - |
|
Research laboratory | 100
|
2
|
2 + (2 )
|
1 | 1x2 | - |