Causing air pollution through auto exhaust is almost the most air polluting act which an avarage citizen coomit daily for hours without considering its consequeces.One is poisning the air creating a big problem that has local regional and global effect.

Goverment should do short term as well as long term planning to preserve the national world.Because without a healthly natural enviroment,ther will be no healthy human,plant or animal.

1)First of all,quality of fuel must be improved by adding anti-knocking agent in fuel.At the same time automobiles combuuston engines must be efficinet so that should bum the fuel completely.No unburned hydrocabin molecules (fufel) should com out of the exhaust.So goverment the people to converter in auto exhausts.

2)fossil fuel produce a number o air pollutants because impurities and complex molecules natural of hydrocarons.Goverment should promote the use of alternaive fuels such as mathnol,ethanol and bio-disel.These fuel are lesspolluting then hydrocarbons fuel,as their molecules are simple and bum completely in the engine.Their burning produce less carbon monoxide soot and other pollutant.

3)The goverment must plan to aviode using carbondioxide produceing fuel as it is greenhiuse gas.It should go to bathery powered electric vehicals.

4)Goverment should provide efficient transport in the big cities,so that people should aviod using their own vehical.