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You must have heard of smog, but do you know what comes among the significant sources of this ugly grey sheet? And how could we prevent it?
In Lahore, winter is back, and temperature has dropped. A city where the season came with pride, is now a dangerous albatross around the neck of its citizens.
As per private monitors, the provincial city, in terms of air quality, falls among the worst in the world, followed by Beijing, Dhaka, Milan, Shenyang, Seattle, Zagreb, Portland, Karachi, and Vancouver.
Every time we drive cars, passenger vehicles, and heavy-duty trucks, pollutants, especially smog-forming emissions, are emitted directly into the air. That’s why vehicles are considered the major contributor to this calamity.
Here are the four major pollutants vehicles produce:
Hydrocarbons – Unburned fuel, dirty motor oil soaked with combustion by-products, and poor crankcase ventilation beget an excessive number of hydrocarbons. Moreover, fuel leaks, normal fuel evaporation, and vapors while filling the tanks are common causes of hydrocarbons.
Carbon monoxide – A deadly, odorless, and colorless carbon monoxide (CO) is another by-product of smog. Dirty air filter, faulty oxygen sensor, coolant sensor, throttle position, and manifold pressure are the frequent sources of CO.
Oxides of Nitrogen – Failed or failing catalytic converter or exhaust gas recirculation (EGR) valve are the common causes producing oxides of Nitrogen (NOX). Furthermore, High compression engines and extremely high temperatures fall in the list.
Solid Particles – Black smoke exiting from tailpipes is highly saturated with these solid particles. Fuel or ignition system problems, failed or failing engine sensors, and severely worn engine burning oil in the combustion chamber are among the common causes of solid particles.
Until the government device a long-term policy, here are some measures that they can take:
What do you think about the prevalent issue of SMOG? And, what can be additional steps to control this evil? Tell us in the comment section.
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