EC Proposes Euro 5 Standards

Posted on January 3, 2006

The European Commission has published proposed Euro 5 regulation mainly to further reduce emissions from new passenger cars and light commercial vehicles, including diesel-powered vehicles. According to DieselNet.com, compared to current Euro 4 emission standards, the proposal calls for an 80% reduction of PM emissions from diesel cars, which would de facto require installation of particulate filters on all new diesel vehicles (filters currently used on European diesel cars have been introduced mostly on a voluntary basis). Diesel NOx emissions, on the other hand, would be reduced by a 20%, which likely would not require emission aftertreatment.

The proposal will now be considered by the European Parliament and the Council of Ministers. The new Euro 5 limits will enter into force by mid 2008 at the earliest.

The main diesel elements of the proposal are for diesel cars; an 80% reduction in PM emissions (a limit of 5 mg/km, down from 25 mg/km); a 20% reduction in NOx emissions (200 mg/km, down from 250 mg/km). For light commercial diesels (such as vans): a 90% reduction in PM emissions (a limit of 5 mg/km); a 20% reduction in NOx emissions.

The proposal is generally similar to the draft Euro 5 consultation document published in July 2005, but PM limits for light commercial vehicles, which were more relaxed, are now equal to those for cars.

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