Vehicle emissions - the "cold start" problem

Catalytic converters will be of only limited success in reducing air pollution in urban areas, warns a report from the World-Wide Fund for Nature (WWF).1 Catalysts are only effective once they reach a sufficiently high temperature - so that by 2000 over half of carbon monoxide and hydrocarbon emissions will be due to short car journeys.

Sorry you do not have access to this article. Please contact Customer Support at
or call 020 8267 8120