Fact Sheets on Air Pollution Stationary air pollution sources Regional smog problems Enhanced air pollution control measures in HK Motor Vehicle Emissions control Overall Motor Vehicle Emissions Control Smoky Vehicle Emissions Control Program Smoky Vehicle Control Programme and Spotter Training Emission Standards and Controls In-use petrol and LPG vehicles emissions standards and control New vehicle emission standards Fuel specifications LPG taxis and Light buses Light Buses Using Cleaner Fuel Dedicated LPG filling stations and pricing related matters Diesel retrofit program Air Pollution Control (Emission Reduction Devices for Vehicles) Regulation Application for the Approval of Particulate Reduction Devices for pre-Euro Diesel Vehicles (Eng only)
