Emission of ozone precursors
Assessment made on 01 Jan 2003
ClassificationAir pollution (Primary theme)
Policy issue: Are we reaching emission targets for substances which create ground-level ozone?
Emissions of ozone forming gases (ground level ozone precursors) have been reduced by 30% between 1990 and 2001. The emission reductions are mainly due to introduction of catalysts on new cars.
Total ozone precursor emissions have been reduced in most Member States. For EU15 emissions have been reduced by 30% between 1990 and 2001. The decrease between 2000 and 2001 was 1.6%. Road transport is the dominant source of ozone precursors and contributes to 39% of total emissions in 2001. Other sources, including commercial and domestic combustion and use of solvents in paint, glue and printing also contributed significantly in 2001.
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Emissions of ozone precursors