hot airships don't really exist. you get hot air balloons, but they're only marginally steerable.
If you were to find a hot air ship, well, then lift would be provided by the hot air. The gas they'd use to create that hot air would be propane.
gas is still used in airships to provide lift.
Hydrogen used to be used in airships.
Airships typically run on one of two things: helium or hot air. Helium is a non-flammable gas that provides lift for the airship. Hot air is used in hot air balloons to provide lift by heating the air inside the balloon.
Airships do use gas, to provide lift.
the gas that helps airships is i hate you wikianswers.com
The gas was Hydrogen.
An example of a gas element is helium, which is a noble gas commonly used in party balloons and airships.
Helium is used because it is lighter than air
Hydrogen was the gas that was once used to filled airships. It is extremely plentiful and easy to produce. However, it is also extremely flammable and caused a few accidents. Helium is now used.
There never were hydrogen powered airships. Hydrogen provided lift, not propulsion. Propulsion came from combustion engines using diesel or gasoline.
No, Hydrogen is a gas. The verb "fly" can not be applied to a gas.
Zeppelins.