The influence of different currants of information on consumer behaviour. Choice / use and evaluation of own car / disadvantages of cars in general / opinions on maximum speed limits: and days when car driving is not permitted / use of information about cars and environment problems / means of political actions for environment problems / interest in and opinions on environment problems. Background variables: basic characteristics/ residence/ household characteristics/ place of work/ occupation/employment/ income/capital assets/ education/ consumption of durables/ readership, mass media, and 'cultural' exposure/ organizational membership