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Message: <blockquote data-quote="sirajstc" data-source="post: 12679351" data-attributes="member: 91140">A SMOKER DOES 10 TIMES MORE POLLUTION THAN A DIESEL ENGINE!A SMOKER DOES 10 TIMES MORE POLLUTION THAN A DIESEL ENGINE! The  air pollution emitted by cigarettes is 10 times greater than diesel car  exhaust, suggests a controlled experiment, reported in Tobacco Control.   Environmental tobacco smoke produces  fine particulate matter, which is the most dangerous element of air  pollution for health. Levels indoors can far exceed those outdoors,  because new engine models and lead free fuels have cut the levels of  particulate matter emissions from car exhausts, say the authors.   The controlled experiment was carried out in a private garage in a small  mountain town in northern Italy. The town enjoys very low levels of  particulate matter air pollution A turbo diesel 2 litre engine was  started and left idling for 30 minutes in the garage, with the doors  closed, after which the doors were left open for four hours. The car was  fuelled with low sulphur fuel.  Three filter cigarettes were then  lit up sequentially, and left smouldering for a further 30 minutes. The  nicotine and tar content of each cigarette was 1 mg and 11.2 mg,  respectively.  A portable analyser took readings every two minutes during the experiments.  Combined particulate levels in the first hour after the engine had been  started measured 88 ug/m3. Those recorded in the first hour after the  cigarettes had been lit measured 830 ug/m3: 10 times greater.</blockquote>

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