These include using less flammable fuel and pumping inert gases into fuel tanks to minimize vapors.

Accelerant: flammable fuel (often liquid) used by some arsonists to increase size or intensity of fire.

It took ambition, and to Eve's mind, ambition was a flammable fuel.

Combustion guns use a flammable fuel and igniter to move an object.

Igniter - A device which set the flammable fuel on fire.

The cap is removed and a flammable fuel is put in the combustion chamber.

But until now, their flammable fuel and large size stymied developers.

Different flammable fuels catch fire at different temperatures.

One would use an empty moon cake tin as the container to bring candle wax to the boil, possibly adding newspaper scraps or other flammable fuel.

The highly flammable fuel itself is odorless.