Controlling emissions from vehicles has always been a important topic to discuss due to its impact to our environment and it continues to be the same till date .The major constituents of the exhaust gases are improperly burnt hydrocarbons, oxides of nitrogen, carbon monoxide and particulate matter.The non thermal plasma technology could be used to remove the Particulate matter and to lower the emissions because of the NOx.

Keywords : Plasma activation,Particulate matter,Nitrogen oxides,Dielectric barrier discharge,Plasma assisted MnO2 filter,Ozone.