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Biofuel Refiner Advanced Biofuel Refiner
Click here to see information about this file Biofuel Refiner
Mixes raw food and honey to create biofuel.
Biofuel Refiner.png
Biofuel Refiner.png

Biofuel Refiner is an Other item in Raft.


The Biofuel Refiner can be built after researching it using the blueprint found at the Ranger Station on Balboa Island. The Advanced Biofuel Refiner is an upgraded version of the Biofuel Refiner. Mixing Honey and raw food items in the Biofuel Refiner will result in Biofuel, which is used to power the Engine and the Battery Charger.png Battery Charger.


  • Mix raw food and Honey in the Biofuel Refiner. After about 3 minutes 30 seconds it will output Biofuel.png Biofuel, which is one of the fuel sources used to power the Engine.png Engine and the Battery Charger.png Battery Charger.
  • Can be painted any colour with the Paint Brush.png Paint Brush.


The Refiner turns one Honey into one Biofuel in a 1:1 ratio. To turn the Honey into Biofuel, the Refiner uses raw food which is kept in a container next to the Honey. When the Refiner is empty, the value of the contents of this container is 0. As the player puts raw food into the Refiner, the number increases depending on the item added. Different items have different values, which, in practice, means some raw foods fill up the container faster. The max capacity of the Refiner is valued at 400. To make one Biofuel, 200 units of raw food are spent. This means that a full container of raw food is good for two Biofuel conversions.

Raw Foods[]

The following table shows the items that can be used in biofuel refiner's. The tabel show the value of raw food when it is put in biofuel refiner's, and how much it take to produce one biofuel. It also contains some derived statistics.

Item Name Value Value of Stack One Biofuel Value:Hunger Ratio [1]
Raw Beet.png Raw Beet 10 200 20 0.67
Raw Potato.png Raw Potato 10 200 20 0.67
Banana.png Banana 20 400 10 1.33
Strawberry.png Strawberry 20 400 10 1.67
Raw Herring.png Raw Herring 40 800 5 2.00
Raw Pomfret.png Raw Pomfret 40 800 5 2.00
Coconut.png Coconut 40 800 5 5.33
Mango.png Mango 40 800 5 2.35
Watermelon.png Watermelon (per use) 40 1600 2.5 8.00
Pineapple.png Pineapple 40 800 5 2.67
Egg.png Egg 60 1200 3.33 4.00
Raw Mackerel.png Raw Mackerel 65 1300 3.07 1.86
Raw Tilapia.png Raw Tilapia 65 1300 3.07 1.86
Raw Meat.png Raw Meat 70 1400 2.8 2.00
Raw Drumstick.png Raw Drumstick 80 1600 2.5 2.29
Raw Catfish.png Raw Catfish 100 2000 2 1.11
Raw Salmon.png Raw Salmon 100 2000 2 1.11
Bucket of Milk.png Bucket of Milk 100 100 2 10.00
Cave Mushroom.png Cave Mushroom 125 2500 1.6 12.50
Red Berries.png Red Berries 125 2500 1.6 17.86
Raw Shark Meat.png Raw Shark Meat 125 2500 1.6 3.13
Shark Head.png Shark Head 200 4000 1 N/A
Warthog Head.png Warthog Head 200 4000 1 N/A
Screecher Head.png Screecher Head 200 4000 1 N/A
Bear Head.png Bear Head 200 4000 1 N/A
Poison-Puffer Head.png Poison-Puffer Head 300 6000 0.66 N/A
Mama Bear Head.png Mama Bear Head 600 6000 0.33 N/A
White Screecher Head.png White Screecher Head N/A N/A N/A N/A
Anglerfish Head.png Anglerfish Head N/A N/A N/A N/A
Polar Bear Head.png Polar Bear Head N/A N/A N/A N/A
Hyena Head.png Hyena Head N/A N/A N/A N/A
Alpha's Head.png Alpha's Head 600 6000 0.33 N/A
  1. Rounded to the nearest hundredth. The calculation assumes that each Sustenance item is its cooked form if it can be cooked. Recipes are ignored.


  • Watermelons can be used as a raw food twice, as is the case when eaten. This effectively makes one Watermelon worth 80 units of raw food.


Early Access
Update 11 Mango can be used in Biofuel Refiner.
Update 10 Biofuel Refiner added to the game.