By the end of 2016 and early 2017, the residents of Tianjin, Beijing, and several other northern Chinese cities underwent the highest intensity and longest lasting air pollution ever witnessed in the country before (Walsh, 2015). The country suffered eight days long of continuous thick, and light-blocking cloud. The air pollution happened after more than 70 northern cities and neighboring regions got covered in high concentration particles. The increased air pollution in northern China has specifically attributed to increased car ownership, faster development of industries in the region, and an increase in burning coal (Jennifer, 2014).
The older vehicles emit greater amounts of dangerous gas to the atmosphere. Emissions by the cars are determined by the nature of the engine, size of the engine and the exhaust gas devices the car has been fitted with. Vehicle efficiency declines as its age grow, and this implies that vehicles emit more gas as they age. When the exhaust gas is not burnt fully to high temperatures, then the efficiency of emission control devices also declines since they are forced to filter too much dirt they cannot handle
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Vehicle fuel emissions have been fronted as the primary cause of global warming. The vehicle emissions are also negatively impacting on human health. Governments across the globe have in the past decade, been putting lots of effort into the bid to reduce the air pollution challenge.
Vehicle air pollution is a danger to both the city residents and the world at large. Reducing air pollution means making the earth a better place to live in. Reducing air pollution means better health for humans and protecting the environment for future generations. A quick shift from the current gas emitting vehicles to the electric vehicles will help do away with the problems of combustion engines.
Since about 70% of particulate matter and Nitrogen Oxide in the vehicles originates from diesel engine vehicles, there is a need for standards that would, in effect and theory, reduce vehicle pollution significantly (Zhang, 2016). However, it is a fact that diesel engines produce more harmful particles compared to petrol cars.
References
Jennifer D., (2014). China to Scrap Millions of Cars to Ease Pollution. Accessed 3 March 2020 from https://ourworld.unu.edu/en/china-to-scrap-millions-of-cars-to-ease-pollution
Walsh M., (2015) Emerging Air pollution Trends in China. Accessed 3 March 2020 from https://www.nap.edu/read/11192/chapter/3#10
Zhang C., (2016). The Next Step in Beijing's War on Pollution. Accessed 3 March 2020 from http://thediplomat.com/2016/02/the-next-step-in-beijings-war-on-pollution/
