Reasons and incentives for retrofitting my truck or my bus?

Denmark
The Danish Road Safety and Transport Agency has established a principle approval scheme for particulate filters for motor vehicles.
Click here for more details.

Flanders, Belgium
In Flanders, an ecological subsidy has been set up as a financial incentive for companies investing in environmental projects, including retrofitting existing Euro I, II or III freight trucks with diesel particulate filters (DPF). To be eligible for the subsidy, the DPF must either be listed on the Swiss VERT list or have obtained from the Dutch RDW type approval for wall-flow DPFs (Class A). The total cost, i.e. DPF plus installation, qualifies for the subsidy which can represent up to 20% of the amount for small- and medium-sized companies, and up to 10% for larger companies.
Click here for more details from Flemish Environment Ministry or here for information from Federal Environment Ministry.

France
A 1300€ subsidy is granted for the retrofit of Particulate Filter on buses. It applies to all buses put into service between 1 January 1991 and 31 December 2000 and covers filter systems which have been evaluated by the French Environment and Energy Management Agency (ADEME).
Click here for more details from the French Environment and Energy Management Agency.

Germany
Germany has introduced a distance-based toll for all trucks of twelve tonnes gross vehicle weight and above. The new German Heavy Goods Vehicle Toll Level Ordinance (MAUT), that came into force on 1 January 2009, assigns each vehicle one of four categories, A to D, based on its emissions class. The new toll rates mean that trucks with the latest-generation exhaust systems and those that have been retrofitted with particulate filters pay significantly less than high-emission vehicles.
Click here for more details.

Lombardy, Italy
Regione Lombardia in Italy has put €10 million aside to subsidize Diesel particulate Filter retrofit on Euro 0 to Euro 2 commercial vehicles (N1, N2 and N3). The single contribution is limited to €3000. The incentive program started on 1 December 2008 and such retrofit allows to circulate in the A1 Zone of the Lombardy region Low Emission Zone.
Click here for more details (in Italian).

The Netherlands
The Dutch environment ministry provides subsidies to heavy-duty vehicles owners to retrofit them with Diesel Particulate Filters.
Click here for more details.

London, UK
A Low Emissions Zone in Greater London has been in place since 4 February 2008. It applies to Diesel trucks over 3.5 tonnes, buses, coaches, large vans and minibuses.
Click here for more details.

Scotland, UK
The Scottish Government has launched an air quality grant scheme to provide grants to local authorities for retrofitting vehicles operated by them with emissions reduction equipment.
Click here for more details.