A dispute in Germany that began with the discovery that a number of particle filters fitted to cars do not work has intensified with a new discovery that many owners of affected cars cannot get replacements without going to court.
Austria has once again found its attempts to protect itself from the effects of road traffic rejected by EU lawyers.
The future of green road charging schemes in Europe has been hampered by a vote in the European Parliament's Transport Committee.
The European Environmental Bureau (EEB) and Transport and Environment (T&E) have welcomed today's vote in the European Parliament on 'EURO VI' air pollution limits for new lorries and buses sold in Europe from 2012-13.
Editorial by Kerstin Meyer
The news that only 11 of the 27 EU member states will meet their air pollution ceilings for 2010 should surprise no-one.
The growth in road transport is leading to a majority of EU member states failing to meet their mandatory targets as set out in European air pollution legislation.
Dutch efforts to reduce emissions of fine particles from diesel cars and light vans have been boosted by a ruling by the European Court of Justice.
The Commission has proposed legislation to ensure that harmful petrol vapour which escapes when drivers full up cars at service stations is captured and recycled.
Action to reduce sulphur emissions from ships over a 10-year period has been agreed by the International Maritime Organisation (IMO), but it has failed to take any action on greenhouse gas emissions.
Motorway tolls in Germany will increase by 25% next year.