Patent ID: 7001445

Claim:
A method for removing pollutants from ambient air, comprising: arranging an adsorption unit( 8 ) in a ventilation system ( 5 , 6 , 7 , 8 , 9 , 10 , 11 ) of a vehicle, wherein said vehicle includes a combustion engine ( 1 ), an inlet manifold ( 3 ), and an exhaust manifold ( 4 ) and pollutants from ambient air are absorbed when ambient air is arranged to flow through said ventilation system and said adsorption unit ( 8 ) in a first direction, pollutants are desorbed from ambient air when ambient air is heated by said exhaust manifold ( 4 ) and flows through said adsorption unit ( 8 ) in a second direction, and desorbed gases flow from said adsorption unit ( 8 ) to said inlet manifold ( 3 ).