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2.8m Substandard Motorbikes Are Big Polluters

2.8m Substandard Motorbikes Are Big Polluters 2.8m Substandard Motorbikes Are Big Polluters

From the 4 million motorcycles plying Tehran roads, close to 70% are substandard and excessively polluting, says the head of the Department of Environment.
In a talk with Mehr News Agency, Isa Kalantari said, “Close to 70% (2.8 million) of the 4 million motorbikes in Tehran is substandard and contribute terribly to the worsening air pollution.
“Some of the motorbikes are five times more pollutant than most cars.”
Studies show that toxic emissions released from locally made two-wheelers are five times over and above an average city car as they are not equipped with catalyst converters and release toxic fumes directly into the environment.
One million motorcycles generate 286 tons of carbon monoxide (CO), 100 tons of sulfur dioxide (SO2) and more than 7 tons of nitrogen dioxide (NO2) everyday, making the bad air pollution conditions much worse.

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