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Environmental Protection Department

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Emission Standards and Controls

The Smoky Vehicle Control Programme
 

Vehicles emitting excessive dark smoke may be reported by trained accredited spotters. The Environmental Protection Department (EPD) investigates and screens the reports, and then asks vehicle owners to bring their vehicles for smoke test. Non-attendance at the test or failure to pass the test within the specified period can result in the vehicle licence being cancelled. If dark smoke emission complaints from the public are received, the EPD checks the information and issues advisory letters to the vehicle owners drawing their attention to rectify the problem.

The numbers of smoky vehicle reports received and smoky vehicles tested saw a decrease in 2014.

 
Smoky Vehicle Control Programme Enforcement Statistics
 
Smoky Vehicle Control Programme Enforcement Statistics
 

Emission Standards

The most stringent international emission standards are applied to newly-registered vehicles. The Euro V standard was implemented in phases starting from June 2012. As a result of this and other control measures, emissions of nitrogen oxides and particulates from vehicles have been dropping despite an increase in kilometres travelled.

 
Vehicle Kilometres Travelled and Emission Trend

Chart that showing Vehicle Kilometres Travelled and Emission Trend

See Data
 
Comparsion of New Vehicle Exhaust Emission Standards
Comparsion of New Vehicle Exhaust Emission Standards
See Data
 


 
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