Last Day on Earth: Survival Wiki
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Description

Fuel is essential for Campfire, Melting Furnace,Refined Melting Furnace and Chemistry Station to work.

Types of fuel

Currently there are 10 obtainable types of fuel:

Currently there are 7 obtainable types of fuel in Sector 7:

Burning times

Single Player

Fuel Melting Furnace Campfire Refined Melting Furnace Seaweed Farm Chemistry Station

Processed Log Equivalence*

Common Log

1 min

20 s

1
Common Plank 3 min 2.25
Charcoal 5 min

20 s

4
Oak Log 1 min

20 s

1
Oak Plank 3 min 2.25
Ash Log 1 min

20 s

1
Ash Plank 3 min 2.25
Fuel Briquette 12 min 9
Gas Cylinder 9h 59m
Energy cell

Multi player

Fuel Melting Furnace Campfire Water filter Cutting table Bench with reagents

Processed Log Equivalence*

Common Log

1 min 30 s --- --- --- ??
Common Plank ?? --- --- --- ??
Charcoal ?? ?? --- --- ??
Oak Log ?? --- --- --- ??
Oak Plank ?? --- --- --- ??
Iron blade --- --- --- ?? --- ??
Glass --- --- --- --- 6 min

40 s

??

Processed Log Equivalence*

  • It is more efficient to use Common Planks or Charcoals as fuel than logs, but they require more time to process.
  • Primary processing by putting a Common Log through a Woodworking Bench to Common Planks adds 50% extra 'value' to the original burn time per log
  • Secondary processing by putting a Common Planks through a Campfire to create 2 Charcoal s but requires 4 minutes of burn time - the net gain is therefore reduced. Where a Common Log burns 79 seconds for example in the Melting Furnace, the Charcoal produced by the log will burn for a total of 640 seconds but the processing requires 240 seconds of burning time. The overall net burning time gain is 400 seconds. The ratio is slightly less favourable in the Campfire.
  • Each Common Log fully processed in this way therefore means each log's 'value' can be multiplied by processing, to be burn around 5 times as long compared with the original log.

Trivia

New type of fuel added in Beta v.1.18.3

Video tutorial

Is_coal_worth_it_?_-_Last_Day_On_Earth

Is coal worth it ? - Last Day On Earth

Credits: Doomeris

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