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Improved Hydrocarbon Propulsion
Improved Hydrocarbon Propulsion
Research
Improved Hydrocarbon Propulsion
Tier
7
Cost
790 research points
Unlocks
2
Spaced Out!
Power
Unlocks
2
building
Petroleum Engine
building
Biodiesel Engine
Requires
2
Hydrocarbon Propulsion
Renewable Energy
Required by
1
Cryofuel Propulsion
Unlocks
2
Biodiesel Engine
Petroleum Engine
Related text
Mid-range rocket engines with lots of smoke.
Improved Hydrocarbon Propulsion
