These gases combined will burn successfully well below freezing point and are generally more efficient.

Geologists had hoped the fire would use all the fuel in a matter of days, but the gas is still burning today.

These gases burn with a bluish flame and turn lime water milky.

The gasses burn near-instantly as they cross the "flame front".

In the room the gas was burning full head; on a chair was a pile of clothing.

The first gas from the pipeline burned in Akron on May 10, 1899.

Does natural gas burn hotter than propane, or is this just a function of my stove?

On the industrial level, natural gas also burns more cleanly than coal and oil.

The gas would burn quietly, and we should descend little by little.

Some gases burn in the presence of oxygen, others do not.