Fuel Jerry Can: How to Choose a Safe 20L Can and Carry and Store Petrol Without Risk

2026-11-11T00:24:27.987160Z

Quick answer: Use only a purpose-made fuel can of thick HDPE plastic or metal, with a sealed cap and a pouring spout. Never fill petrol into water bottles or unknown containers. Fill the can on the ground, not inside the vehicle, leave about 5% space for expansion, and store it in a shaded place away from the passenger cabin.

When do you need a fuel can?

Desert outings, camping and long intercity roads.
Fuelling boats, motorbikes and generators.
Racing and track days (transporting race fuel).
An emergency reserve at home or a rest house.

What makes a fuel can safe

Fuel-rated material: thick HDPE plastic or metal; approved cans carry a mark such as UN.
Sealed cap that does not leak vapour.
Flexible spout that prevents spills.
Vent for smooth pouring without glugging.
Distinct colour plus a label stating the fuel type, so petrol is never confused with water or diesel.

Can sizes

Capacity	Use	Note
5 – 10 L	Car emergencies and small generators	Easy to carry
20 L	Most common for trips, desert and racing	About 15 kg when full of petrol
50 L	Boats and stationary use	Very heavy to carry by hand; needs secure mounting

VP Racing 20 L yellow motorsport utility jug for fuel and fluids

VP Racing 20 L Motorsport Utility Jug

How to fill it correctly

Place the can on the ground before filling. Filling it in the boot or truck bed can cause a static spark.
Keep the pump nozzle in contact with the can opening throughout.
Fill slowly and leave about 5% space, because petrol expands with heat.
Close the cap tightly and wipe any spills.
Secure the can so it cannot move, ideally in a pickup bed or on an external carrier.

How long does stored petrol last?

Regular petrol starts to degrade after about 3 to 6 months, and faster in high heat as the light components evaporate. To store it longer, use a fuel stabilizer, and rotate your stock by using it in the car and refilling with fresh fuel.

Dangerous mistakes

Leaving a fuel can inside the cabin in the sun.
Using water bottles or old oil containers.
Smoking or using your phone near an open can.
Storing the can indoors or near heaters.

FAQ

Is red for petrol and yellow for diesel?

In many countries red is for petrol and yellow for diesel, while yellow VP jugs are used for race fuel and fluids. The key is to label the fuel type and never mix.

Can I carry a fuel can in the car boot?

A pickup bed or external carrier is better. If you must use the boot, make sure the can is approved, tightly closed and secured, and ventilate the car.

Does old petrol harm the car?

Petrol stored for a long time loses strength and can cause hard starting and deposits. Mixing a small amount with fresh fuel reduces the harm.

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