Standard refinery foundation (research node)
This node of the PBS structures research tree unlocks Standard refinery foundation.
| Category | PBS structures |
| Unlocks | Standard refinery foundation |
| Parent node | Standard main terminal foundation |
| Unlocks next | Advanced refinery foundation, Standard recycling plant foundation, Standard factory foundation |
| Enabler extension | – |
| Point prices | common=7.5k; industrial=15k |