More than half of the Iranian vehicles do not meet the standards to acquire a premium technical inspection certificate introduced by the Department of Environment to curb the emission of air pollutants like carbon monoxide.
CEO of Tehran Vehicle Technical Inspection Bureau said 70% of cars visiting vehicle inspection centers are not fit to gain the premium technical inspection certificate, Mizan Online reported.
The premium certificate has higher standards than that of the normal technical inspection certificates. While in the normal tests, vehicles’ emissions are monitored in a low-speed performance, but for earning the premium certificate the carbon monoxide emission of cars is assessed at 2,500 rpm.
Navab Hosseini-Manesh added that 45-50% of the rejected vehicles do not receive the certificate due to the high emission rates and 20-25% are refused since they do not meet safety standards.
The premium technical inspection certificate was made mandatory this year for vehicles seeking permits to enter the restricted traffic zones.
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