“Compressed air cars” are cars with engines that use
compressed air, instead of regular gas used in conventional fuel cars.
The idea of such cars is greatly welcomed by people of the 21st century,
when pollution caused by petrol and diesel is an extremely worrying
factor.
Engine and Technology
The
engine that is installed in a “compressed air car” uses compressed air
which is stored in the car’s tank at a pressure as high as 4500 psi. The
technology used by air car engines is totally different from the
technology that is used in conventional fuel cars. They use the pressure
generated by the expansion of compressed air to run their pistons. This
results in ‘no pollution’, as air is the only product that is used by
the engine to produce power, and the waste material is the air itself.
Air Storage Tank/Fueling
As thought by engineers and designers, the storage
tank would be made up of carbon fiber to reduce the car’s weight and
prevent an explosion, in case of a direct collision. Carbon-fiber tanks
are capable of containing air pressure up to 4500 psi, something the
steel tanks are not capable of. For fueling the car tank with air, the
compressor needs to be plugged into the car, which would use the air
that is around to fill the compressed air tank.
This
could be a slow process of fueling; at least until air cars are
commonly used by people, after which high-end compressors would be
available at gas stations that would fuel the car in no time at all.
Emission
The
air-powered car would normally emit air, as it’s what it would solely
use. But it would totally depend on the purity of air that is put into
the air tank. If impure air is filled in the tank, same would be the
level of impurity of the emission. The emission level would highly
depend on the location and time of filling air in the tank.
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