Wood twigs may be the only fuel available during an emergency. Have shears available to do the harvest.

Propane in the small green bottles. Some stoves have the capability of using the larger 20 lb tanks. Do not bring the 20 lb tanks inside your shelter.

Butane, in small cans, are a popular fuel. Two issues: (1) butane is not usable in very cold weather (2) a large diameter pot can overheat the butane canister and explode.

Alcohol burners and Sterno can be used in a many multi-fuel stoves.

 

Fuel tablets