Description
Enhances Coal Output at Coal Mine
Coal Output V
Requirements
| Level | Prerequisites | Research Cost | Time | Bonus | Power |
|---|---|---|---|---|---|
| 1 |
Research Center 28 Ion Mining IV 1 |
 2 200 000  2 200 000  440 000  110 000  64 000 |
2d 21:26:40 |
Coal Output: 8.00% |
2080 |
| 2 |
Research Center 29 |
3 000 000 3 000 000 610 000 150 000 89 000 |
4d 08:10:00 |
Coal Output: 8.00% |
2080 |
| 3 |
Research Center 30 |
6 600 000 6 600 000 1 300 000 330 000 190 000 |
11d 13:46:40 |
Coal Output: 10.00% |
2600 |
