Non-renewable energy from ancient organic remains like coal or oil.
EnergyResourceFuelEnvironment
Current best complexity is 5:
Fossil Fuel can be discovered in Concepts, categorized under Energy, Resource, Fuel, Environment. Non-renewable energy from ancient organic remains like coal or oil.
It has been discovered by 43 boards and crafted 137 times, first appearing 5 months ago. Fossil Fuel can be created from 84 recipes, and goes on to appear as an ingredient in 107 others.
Fossil Fuel was first discovered by victor's board 5 months ago. The lowest-complexity recipe (5) is held by LegitSi's board.
Related concepts worth exploring include Atmosphere, Ocean, Smoke, Smog, Sea, Wildfire, and 6 more.