And you don't need a cylinder of volatile compressed gas in your car to do it.

Because freedivers do not breathe from tanks of compressed gas, they do not risk decompression sickness, also known as the bends, from resurfacing rapidly.

Any hot and compressed gas with appropriate vibrational structure could be utilized.

The rams use compressed gas to accelerate pistons to 50 m/s.

For example water rockets use the compressed gas, typically air, to force the water out of the rocket.