Written by on Invalid date 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 an... [Read more]