pollution mostly occur because fumes and a fire.
Whether you agree with vehicles made fuel oil in a change with tekhnologi electricity to reduce the pollution?
air pollution is not just the problem that earth is facing now. There are several pollution and humans contributes to all of it. There are 7 types if I'm right. Due to continouos technological development our natural environment is compromised.
We people are the virus in the earth that we eventually kill our planet.