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Hong Kong to implement Euro IV emissions standards for 3.5-ton and above vehicles

The Environmental Protection Department of Hong Kong Special Administrative Region (HKSAR) recently released the 2006 Air Pollution Control (Vehicle Design Standards) (Emission) Regulations (revised), according to a report in Zhongguo Qiche Bao (China Automotive News).
The Regulations, once approved and put into effect on October 1 of this year, will require newly registered heavy-duty vehicles with a mass of 3.5 tons or above to meet the Euro IV emissions standards. 
Hong Kong began to impose Euro IV emission standards on newly registered motor vehicles weighing less than 2,500 kg on January 1 of this year. The Regulations also requires that beginning on January 1, 2007, all newly registered motorcycles have to satisfy the Euro III emissions standards.    
The revised Regulations aim to further improve the environmental conditions in Hong Kong by following European standards for reducing emissions from motor vehicles.
Compared with past regulations, the Euro IV standards will cut down 30 percent of the NOx substances and 80 percent of particles from vehicle emissions. Motorcycles that satisfy Euro III emissions standards are expected to cut 90 and 50 percent of hydrocarbon and NOx substances respectively. 

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