Patent ID: 7146969

Claim:
A motor vehicle comprising an internal combustion engine ( 2 ), a fuel tank ( 3 ) and an aeration device ( 4 ) for the fuel tank that comprises an activated carbon filter ( 5 ) and a regeneration device ( 6 ) for regenerating the activated carbon filter, wherein the regeneration device ( 6 ) is assigned a control device ( 7 ) which, in the overrun mode of the internal combustion engine ( 2 ), brings about an activation of the regeneration device ( 6 ), an interruption of a fuel injection, and an induction of fresh air primarily via the activated carbon filter, an ignition of the mixture in the internal combustion engine being avoided during the regeneration of the activated carbon filter ( 5 ) by the fact that, when the need arises, the regeneration device is partially deactivated, and/or the induction air element is opened and/or an ignition of the internal combustion engine is switched off.