| 1. | However , if the health - related air quality objectives are to be met , light duty diesel vehicles such as taxis , and public light buses , will have to switch to cleaner fuels such as liquefied petroleum gas ( lpg )
不过，要达至符合健康的空气质素指标，轻型柴油车辆如的士和公共小型巴士，必须改用污染量较低的燃料，例如石油气。 |
