Improved Hydrocarbon Propulsion

Improved Hydrocarbon Propulsion
Mid-range rocket engines with lots of smoke.
Category	Power
Tier	7
Novice Research	70
Advanced Research	100
Applied Sciences Research	370
Data Analysis Research	250
Requires	Hydrocarbon Propulsion, Renewable Energy
Needed For	Cryofuel Propulsion

Improved Hydrocarbon Propulsion research unlocks Petroleum Engine, which is bigger, and therefore has a longer range, than previously unlocked Small Petroleum Engine.

Unlocks

• Petroleum Engine (Spaced Out)