Fuel

Burnt in	Fuel	Heat (kJ)	Sources
Furnace	Organics	3	Can be collected from some plants (e.g. Cactus) Automatic Farm (Processed Rapeseed or Pumpkins)
	Peat	20	Unknown
	Log	25	Automatic Farm Can be collected from Trees
	Coal Ore (& Coal ore products)	36	Can be collected from Coal Voxels (Light brown/gray) Can be Mined from a deposit
	Coal	40	Can be created from Coal Ore and other products
	Coke	60	Can be created from Coal Ore products
Fluid Furnace	Carbon Monoxide	10	Processed from Coal
	Producer Gas	20	Processed from various products
	Hydrogen	25	Processed from Producer Gas
	Ethylene	30	Processed from Raw Oil
	Methane	30	Processed from Biomass or Pumpkins
	Creosote	40	Byproduct of Ovens
	Ethanol	35	Processed from Biomass
	Rapeseed Oil	150	Processed from Rapeseed
	Raw Oil	375	Mined from deposits with a Pumpjack
	Heavy Oil	400	Processed from Raw Oil
	Rocket Fuel	600	Processed from Gasoline
	Gasoline	1000	Processed from Raw Oil
	Diesel	2000	Processed from Raw Oil
	High Cetane Diesel	3000	Processed from Diesel
	Superfuel	4000	Processed from High Cetane Diesel
Reactor	Uranium Plutonium	2600	U / Pt can be made into fuel cells