HONG KONG, March 23 (Xinhua) -- The 2012 Air Pollution Control (Vehicle Design Standards) amendment regulation was released here Friday to tighten emission standards for newly registered vehicles to European levels, according to the Hong Kong wholesale ps3 china government website.The city's Environmental Protection Department said the regulation requires newly registered vehicles to comply with Euro V standards from June 1. Newly registered diesel vehicles of less than 3.5 tons must comply... Continuar leyendo