New regulations have been drawn up to make sure people who throw litter out of car windows are fined.
Local authorities in England and Wales often find it difficult to prove that a particular individual was to blame.
The Local Government Association wants a new system where the vehicle owner would face a penalty of up to £80 if the culprit cannot be identified.
A pilot scheme in London from June could be extended across the country by environment minister Joan Ruddock.
Ms Ruddock told The Times she was "always horrified and angry" when she saw people throwing rubbish from vehicles.
http://news.bbc.co.uk/1/hi/uk/7343937.stmI wonder if she is "always horrified and angry" when a pedestrian drops rubbish?