| Petroleum gas
Internal name: petroleum-gas
Prototype type: fluid
Petroleum Gas is a gas converted from Crude oil (in an Oil refinery) or Light oil (in a Chemical plant). Petroleum Gas is used to create Plastic bars and Sulfur, important ingredients for mid-to-high-level recipes.
|Oil refinery||Basic oil processing||+ => + ( )|
|Oil refinery||Advanced oil processing||+ + => + ( )|
|Chemical plant||Light oil cracking||+ + =>|
|Oil refinery||Coal liquefaction||+ + + => + ( + )|