Transitional arrangements limited to 31.12.2010
* Buses if their operation is in the public interest
Exemptions for certain vehicles, until 14/02/2014
* Special vehicles which because of their specific technical requirements, under the condition that a retrofit is not possible and the replacement by a less polluting alternative vehicle is not economically viable.
The exemptions can be extended for a further 5 years.
These exemptions are listed for your guide only. They are not officially translated, and are current as of winter 2009/10. The original on the city/regional/national website is the only accurate source.