The regulation also requires certain printing machines to have appropriate emission control devices 规例亦要求某些印刷机装置减排设备。
5.
Emission requirements for newly registered vehicles have been tightened . the best motor vehicle fuels that can be made available on a mass scale have been introduced . and advanced emission control devices have been tested 另外，环保署也曾与有关人士合作，以其他方法减少车辆排放的废气，例如使用底盘式功率机进行测试对新登记的车辆施加更严格的废气排放规定引入可大量供应的最佳汽车燃料及测试先进的废气消减装置。
