Over 90% of the air pollution responsible were only 25% of cars

A recent study devoted to the fight against pollution of the air, showed surprising results. It turned out that 90% of all pollution-related exhaust of vehicles meets only 25% of vehicles as cars and trucks. Old, working properly, and poorly maintained vehicles contribute most to air pollution.

The study, published in the journal & quot; methods atmospheric measurements & quot ;, was carried out by scientists from the University of Toronto. They established a pollution sensor on one of the main roads of the city of Toronto, and measured performance exhaust from 100,000 cars drive past.

95% smoke, 93% CO and 76% carcinogenic volatile organic compounds (benzene, toluene, ethylbenzene, xylene) were thrown into the air just a quarter of all vehicles.

Even if you could not see in the city, it does not mean that his air is safe. Harmful ultrafine particle thickness 1,000 times smaller than a human hair, that enter the body from the car exhaust can cause asthma, heart disease, cancer, and premature death.

Obviously, it is necessary not only to periodically tighten the requirements for the production of new cars, but also to develop rules for the verification and prohibit the use of poorly configured or poorly maintained vehicles - it can help dramatically reduce the impact of exhaust gases on the environment.

Source: geektimes.ru/post/250156/