We are experiencing technological development stages, human began to
consider air pollution how brings our natural environment to cause
worse. Our cars fuel emission can also pollute our air when we are often
driving ourselves cars to go to anywhere for leisure or working aim.
Instead of ourselves cars emission air pollution, public transport
tools, such as buses, taxis, ferries, their fuel emission also influence
our air to be polluted. Because passenger individual comfort need began
raises. So, electric auto non-manual driving cars, battery charge energy
cars are began to consider how to invent in order to reduce air
pollution and raise driver individual comfortable need, instead of
improving driving speed to be rapid, car inventors also hope to avoid
air pollution to pollute our natural environment. When global fuel cars
number continues increases.