The 
Fuel canister is the “fuel can” that quests ask for in objectives like “Find a fuel can” and “Refuel the generator using the fuel can”. This guide covers where fuel cans are placed on the map, how to refuel your boat with the Fuel larva and the fuel gun, the boat parts that let you carry more fuel, and every fuel-related quest.
What is the fuel can (Fuel canister)?
In quests you find a fuel can, use it to refuel a generator and then start the generator. Once started, the generator supplies power (objective: “Start the generator to power the system”).
A fuel canister can also ride along on your boat as spare fuel. The in-game description of the 
Small Canister Rack:
A short welded rack for a single fuel canister. One spare canister on board can be the difference between reaching the dock and drifting till dawn.
| Name | What it does |
|---|---|
| Fuel canister | Refuels generators (quest objectives) |
| Fuel larva | Feed it  Fish Meat to get fuel |
 Fuel nozzle | Refuels the boat (quest objective) |
 Fuel Tank Riveted Fuel Tank | The boat's fuel tank (Fuel range rating) |
Small Canister Rack Dual Canister Rack | Side module that holds fuel canisters |
Fuel can locations (map)
Fuel cans are placed at 21 spots on the main map (orange dots).
All 7 generators have a fuel can right next to them (blue squares are generators).
The fuel can circled in red is the one the early quest “Empty Tank” (objective: “Find a fuel can”) points to.
Fuel cans are not sold in shops, and no crafting recipe or quest reward gives them; you pick up the ones placed on the map.
Positions are a guide; not every marked spot may actually have one. Fog and discovered areas are not reflected.
How to refuel your boat
You refuel your boat with the Fuel larva and the Fuel nozzle. Gill, a merchant at the central pier, puts it like this:
Here’s what you’ll do: bring the Snapper to the Grinder and process them into meat.
Then feed the fuel larva and refuel the boat. Is that clear?
- Process fish in the Grinder to make Fish Meat. The Fish Meat page lists which fish give how much.
- Feed the Fuel larva Fish Meat (×1 per feeding).
- Take the Fuel nozzle and refuel the boat before setting sail.
Fuel larvae are the yellow triangles on the map (2 spots), and each has a fuel gun station right next to it (purple diamonds).
Later in the story, in Big Hollow, you are asked to treat the Fuel larva (quest “First Aid”: “Craft a medkit and give it to the larva”). Gill says:
Treat the larva, then we'll talk business. You won't catch much without fuel, and we won't put you up in the bunkhouse for free. Our generosity has limits.
Recipe for the medkit: 
First aid kit
Boat parts for carrying more fuel
To head out with more fuel, swap in a better fuel tank or carry spare fuel canisters in a canister rack on the Side Modules. The better tank and the racks are unlocked in the Upgrade Tree and then crafted.
| Part | Slot | Stat | Unlock | Crafting materials |
|---|---|---|---|---|
| Fuel Tank | Fuel tank | Fuel range 360 | Installed at start Fuel Tank (unlocked from the start) | |
| Riveted Fuel Tank | Fuel tank | Fuel range 720 | Riveted Fuel Tank (cost 5 from the start, incl. prerequisites) | |
| Small Canister Rack | Side Modules | Fuel canisters: 1 | Small Canister Rack (cost 7 from the start, incl. prerequisites) | |
| Dual Canister Rack | Side Modules | Fuel canisters: 2 | Dual Canister Rack (cost 10 from the start, incl. prerequisites) |
Fuel range is the part's rating value and is a guide. Unlock costs are amounts of the upgrade resource gained from Scraps of Knowledge, not a number of Scraps of Knowledge.
There are 2 Side Modules slots (left and right). Parts are listed under the slot type they fit. Some listed parts may not actually be equippable there.
Part descriptions (in-game text)
- Fuel Tank: A standard sheet-metal fuel tank. Spacious enough to keep you from stalling halfway between islands, but nothing more.
- Riveted Fuel Tank: A heavier riveted tank with a reserve drum bolted on. Holds enough fuel to reach the far islands and still find your way back.
- Small Canister Rack: A short welded rack for a single fuel canister. One spare canister on board can be the difference between reaching the dock and drifting till dawn.
- Dual Canister Rack: An expanded rack that holds two fuel canisters. With this much fuel in reserve, you won’t need to worry about an urgent refueling stop along the way.
Compare them with other parts in Boat Upgrades and check the unlock order in the Upgrade Tree.
Fuel quests in story order
Fuel-related quests in story order. Other quests come in between the groups. The objectives are the in-game text.
Early game: the first generator
| Quest | Objective |
|---|---|
| Power Source | Find the generator |
| Empty Tank | Find a fuel can |
| Refueling | Refuel the generator |
| Let There Be Power | Start the generator |
Refueling the boat
| Quest | Objective |
|---|---|
| Grinder | Process the Snappers in the Grinder ×3 |
| Fuel Larva | Feed the fuel larva with fish meat ×3 |
| Fuel Gun | Take the fuel gun |
| Refueling the Boat | Take the fuel gun and refuel the boat before setting sail |
The generator at the Ghoul Tower
| Quest | Objective |
|---|---|
| Empty Tank | Start the generator |
The generator at the Throat
| Quest | Objective |
|---|---|
| Generator | Start the generator |
| Fuel for the Generator | Find a fuel can to refuel the generator |
| Refueling the Generator | Refuel the generator using the fuel can |
| Start the Generator | Start the generator to power the system |
Treating the Fuel larva (Big Hollow)
| Quest | Objective |
|---|---|
| First Aid | Craft a medkit and give it to the larva |
FAQ
Where do I find a fuel can?
They are placed at 21 spots on the map (see the map above). They cannot be bought, crafted or earned as quest rewards.
What is the fuel can used for?
To refuel generators. In quests, “Find a fuel can to refuel the generator” is followed by “Refuel the generator using the fuel can”.
How do I refuel my boat?
Feed Fish Meat made in the Grinder to the Fuel larva, then refuel the boat with the Fuel nozzle (steps above).
Can I carry fuel cans on my boat?
Yes, in a canister rack on the Side Modules. The Small Canister Rack holds 1 and the Dual Canister Rack holds 2.
How do I increase my boat's fuel range?
Swap the fuel tank for the Riveted Fuel Tank. The Fuel range rating is 360 on the Fuel Tank and 720 on the Riveted Fuel Tank, which is unlocked in the Upgrade Tree.
Summary and related tools
Fuel cans are placed around the map and used to refuel generators. Refuel your boat with the Fuel larva and the fuel gun, and unlock a better fuel tank and canister racks before long trips. These tools cover the parts and materials involved:
- Boat Upgrades: ratings, materials and unlocks of every boat part by slot
- Upgrade Tree: the cost and prerequisites of each unlock
- Best Upgrades: which boat upgrades to research first, including the fuel tank
- Crafting Recipes: recipes and total materials for the parts
- Item List: items such as the fuel canister, fuel nozzle and fish meat