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Fuel: Difference between revisions

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m (Short explanation of correspondation between MJ and MW)
m (→‎Types: Moved supertext marker to the header of the table, to make it clearer that the attached remark refers to all speed elements, not just wood)
 
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[[Fuel]] can be inserted into [[burner devices]] and burned to power them. Different types of Fuel provide different amounts of energy, measured in megajoules (MJ). A megajoule (MJ) is equivalent to one megawatt second (MWs), so dividing the megajoule (MJ) value by the power consumption in megawatt (MW) gives the time the fuel will last.
'''Fuel''' can be inserted into [[burner devices]] and burned to power them. Different types of fuel provide different amounts of energy, measured in megajoules (MJ).


== Types ==
== Types ==
This is a list of all [[Items]] usable as [[Fuel]] in burner devices, ordered by fuel value:
 
This is a list of all items usable as fuel in burner devices, ordered by fuel value:
{| class="wikitable"
{| class="wikitable"
! Item !! Fuel value !! Fuel value per raw total
! Item !! Fuel value !! Fuel value per raw total !! Fuel value<br>per stack !! Vehicle<br>acceleration !! Vehicle<br>top speed !! Train max speed<sup>1</sup>
|-
|-
| {{imagelink|wood|Wood}} || 2 MJ || 4 MJ per raw wood
| {{imagelink|Wood}} || 2 MJ || 2 MJ per wood || 200 MJ || 100% || 100% || 259.2 km/h (72 m/s)
|-
|-
| {{imagelink|raw-wood|Raw wood}} || 4 MJ || 4 MJ per raw wood
| {{imagelink|Coal}} || 4 MJ || 4 MJ per coal || 200 MJ || 100% || 100% || 259.2 km/h (72 m/s)
|-
|-
| {{imagelink|wooden-chest|Wooden chest}} || 6 MJ || 3 MJ per raw wood
| {{imagelink|Solid fuel}} || 12 MJ || 0.96 MJ per unit of [[crude oil]]<sup>2</sup>, or<br/>8.7 MJ per [[coal]]<sup>3</sup> || 600 MJ || 120% || 105% || 272.2 km/h (~75.6 m/s)
|-
|-
| {{imagelink|coal|Coal}} || 8 MJ || 8 MJ per coal
| {{imagelink|Rocket fuel}} || 100 MJ || 0.8 MJ per unit of [[crude oil]]<sup>2</sup> || 1 GJ || 180% || 115% || 298.1 km/h (83 m/s)
|-
|-
| {{imagelink|solid-fuel|Solid fuel}} || 25 MJ || 20 MJ per unit of [[Crude oil]] *
| {{imagelink|Nuclear fuel}} || 1.21 GJ || 9.68 MJ per unit of [[crude oil]]<sup>2</sup>, and<br/>40.89 MJ per [[uranium ore]]<sup>5</sup> || 1.21 GJ || 250% || 115% || 298.1 km/h (83 m/s)
|-
|-
| {{imagelink|small-electric-pole|Small electric pole}} || 4 MJ || 4MJ per raw wood
| {{imagelink|Uranium fuel cell}} || 8 GJ<sup>4</sup> || 507 MJ per [[uranium ore]]<sup>5</sup> || 400 GJ || Unusable || Unusable|| Unusable
|-
| {{imagelink|rocket-fuel|Rocket fuel}} || 225 MJ ** ||  
|}
|}


(*) This assumes the Crude oil is processed completely into Solid fuel, using [[Advanced oil processing]] and [[Heavy oil cracking]] as intermediate steps, but not [[Light oil cracking]]. Less efficient methods are possible.  In practice, the [[Petroleum Gas]] part of processed crude oil is more likely to be used for something other than Solid fuel.
<sup>(1)</sup> For the purposes of in-game speed display, the game assumes 1 tile = 1 meter. I.e., a train on basic fuel travels at 72 '''tiles''' per second at full speed, and so on.
 
<sup>(2)</sup> This assumes all crude oil is processed completely into solid fuel using [[advanced oil processing]] and [[heavy oil cracking]] as intermediate steps, but not [[light oil cracking]]. More efficient methods are possible; in practice, the [[petroleum gas]] is more likely to be used for something other than solid fuel.
 
<sup>(3)</sup> Using [[coal liquefaction]] and [[heavy oil cracking]], converting all [[light oil]] and [[petroleum gas]] into solid fuel. Does not include energy requirements of refining/mining.
 
<sup>(4)</sup> This fuel type can only be used in a [[nuclear reactor]]. Unlike other fuel types, it cannot be placed into standard burners.
 
<sup>(5)</sup> Assuming that all U-238 is enriched. And in the case of the fuel cell, assuming all [[used up uranium fuel cell]]s are reprocessed and there is no reactor neighbor bonus.
 
== Consumption ==
 
The following formula can be used to find how long a fuel will last in a device:
<code>Burn time (s) = Fuel value (MJ) ÷ Energy consumption (MW)</code>
 
== Trivia ==
 
* Though the top speeds given by solid fuel, rocket fuel and nuclear fuel are presented as +5%, +15% and +15% respectively, this seems to only be true for trains. The top speeds for cars and tanks are instead approximately +9.5%, +34% and +58% respectively when these fuels are used.


(**) Note that through version 0.12.35, [[Rocket fuel]] is not Fuel and cannot be used in burner devices.
== History ==
 
{{history|0.15.0|
* Fuel type affects vehicle acceleration and top speed.}}


== See also ==
== See also ==
* [[Burner devices]]
* [[Burner devices]]
* [[Electric network]]
** {{Imagelink|Burner inserter}} {{Imagelink|Burner mining drill}} {{Imagelink|Boiler}} {{Imagelink|Stone furnace}} {{Imagelink|Steel furnace}} {{Imagelink|Locomotive}} {{Imagelink|Car}} {{Imagelink|Tank}}
* [[Transport network]]
* [[Electric system]]
 
* [https://www.reddit.com/r/factorio/comments/67xgge/nuclear_ratios/ Nuclear Ratios]
[[Category: Items]]

Latest revision as of 18:27, 23 May 2022

Fuel can be inserted into burner devices and burned to power them. Different types of fuel provide different amounts of energy, measured in megajoules (MJ).

Types

This is a list of all items usable as fuel in burner devices, ordered by fuel value:

Item Fuel value Fuel value per raw total Fuel value
per stack		 Vehicle
acceleration		 Vehicle
top speed		 Train max speed1
Wood.png
Wood		 2 MJ 2 MJ per wood 200 MJ 100% 100% 259.2 km/h (72 m/s)
Coal.png
Coal		 4 MJ 4 MJ per coal 200 MJ 100% 100% 259.2 km/h (72 m/s)
Solid fuel.png
Solid fuel		 12 MJ 0.96 MJ per unit of crude oil2, or
8.7 MJ per coal3		 600 MJ 120% 105% 272.2 km/h (~75.6 m/s)
Rocket fuel.png
Rocket fuel		 100 MJ 0.8 MJ per unit of crude oil2 1 GJ 180% 115% 298.1 km/h (83 m/s)
Nuclear fuel.png
Nuclear fuel		 1.21 GJ 9.68 MJ per unit of crude oil2, and
40.89 MJ per uranium ore5		 1.21 GJ 250% 115% 298.1 km/h (83 m/s)
Uranium fuel cell.png
Uranium fuel cell		 8 GJ4 507 MJ per uranium ore5 400 GJ Unusable Unusable Unusable

(1) For the purposes of in-game speed display, the game assumes 1 tile = 1 meter. I.e., a train on basic fuel travels at 72 tiles per second at full speed, and so on.

(2) This assumes all crude oil is processed completely into solid fuel using advanced oil processing and heavy oil cracking as intermediate steps, but not light oil cracking. More efficient methods are possible; in practice, the petroleum gas is more likely to be used for something other than solid fuel.

(3) Using coal liquefaction and heavy oil cracking, converting all light oil and petroleum gas into solid fuel. Does not include energy requirements of refining/mining.

(4) This fuel type can only be used in a nuclear reactor. Unlike other fuel types, it cannot be placed into standard burners.

(5) Assuming that all U-238 is enriched. And in the case of the fuel cell, assuming all used up uranium fuel cells are reprocessed and there is no reactor neighbor bonus.

Consumption

The following formula can be used to find how long a fuel will last in a device: Burn time (s) = Fuel value (MJ) ÷ Energy consumption (MW)

Trivia

  • Though the top speeds given by solid fuel, rocket fuel and nuclear fuel are presented as +5%, +15% and +15% respectively, this seems to only be true for trains. The top speeds for cars and tanks are instead approximately +9.5%, +34% and +58% respectively when these fuels are used.

History

  • 0.15.0:
    • Fuel type affects vehicle acceleration and top speed.

See also

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