Volvo Personvagnar Ab & Engelhard Corp.

Ingemar Gottberg

Jeffrey Barmont Hoke

Ronald Marshall Heck

Terence Christopher Poles

Lars Greger

Wayne M Rudy

G&ouml;ran Wirmark

An assembly, a method and a motor vehicle for cleaning ambient air in the vicinity of an internal combustion engine (,) having combustion air inlet means (,) and energy emitting means (,)are disclosed. The assembly (,) further includes adsorbent means (,) for adsorbing at least one pollutant when in a first mode of operation and for desorbing the pollutant when in a second mode of operation. The adsorbent means have an inlet (,) for polluted ambient air (,) and an outlet (,) for cleaned ambient air (,). Furthermore, the assembly (,) includes a pollutant conduit (,) through which the desorbed pollutant is transferred from the adsorbent means (,) to the combustion air inlet means (,) when in the second mode of operation, and the adsorbent means (,) are arranged for being brought into the second mode of operation by means of energy supplied from the energy emitting means (,).

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Västra Frölunda, Sweden

Ingemar Gottberg