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Just imagine when you are promoting something for the welfare of people
and the same thing became dangerous for your people…
This thing has been happened with the government of India when in 2024 it
had launched the electrical vehicle policy to curb the pollution caused by the vehicles
run by the fossil fuels .
But in may 2025 a research paper by IIT Bombay, Tata institute of fundamental research and University
of Columbia (USA) published in the Royal Society of Chemistry shocked everyone
. According to the research, the
electric vehicles on account of their greater weight experience higher wear and
tear in their tyres as compared to conventional vehicles and release
substantially larger number of plastic particles in the atmosphere. This process happens due to rapid degradation
and overweight of electric vehicles .
How the tyres are degraded? Due to proper running , specially on the
damaged road , there is rapid degradation of tyres . But new research also tells
that the degradation also happens due to overweight. Degradation of tyre results in release of
small rubber particles that are air pollutants . The normal wear and tear of
tyres produces particles of broadly two sizes ….
1.
1 to 10 micrometer
2.
100 micrometer
While the intermediate particles are
released in very less amount.
The new research established the
relationship between weight and speed of vehicle to size of plastic particles
released from tyres as a result of wear and tear.
This research told that tyres of
heavier and faster moving vehicles produce a higher proportion of smaller particles . Unlike the larger
particles that settle down on ground due to gravity , smaller particles remain
suspended in air adding to concentration of air pollutants. Particles of different sizes produced by
different physical processes of degradation of tyres . Degradation is caused by
sudden braking or encounter with potholes known as primary fragmentation
results in release of mainly smaller particles of varying sizes .And gradual
wear and tear , called as sequential fragmentation, releases mainly large particles which shows
that improvement of road is much needed.
Generally the electrical vehicle are
15 to 20 percent more heavier than fossil fuels vehicles because the weight of
their batteries is in the range of 300kg to 900kg .And the EVs are more able to
accelerate more rapidly , leading to additional stress on tyres due to increase
in friction and heat generation which lead to increase in degree of primary
fragmentation, releasing larger amount
of smaller plastic particles.
Road transport causes 10 percent of
Global greenhouse emission which can be easily controlled by EVs .
The particles can cause various
disease related to all the sensitive organs . Government must concentrate on
this serious issue .
Team Yuva Aaveg-
Shashwat
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