Cleaning the air a Pollution had become a major concern in hong kong and while little could be done about factories across the border actions were taken at home. In his 1999 policy address hong Kong chief executive tung Chee Hwa announced measures to tackle the territory's deteriorating air quality I A 1998 trial of 30 Hong Kong LPG taxis found that they performed comparably well to diesel taxis, Cost about the same to maintain emitted extremely low emissions"and were virtually free of smoke" Crucial factors to consider were the effect of fuel price on operating cost and the sufficient availability of filling stations and maintenance shops. Encouraged by the results the government set out to convert the territories diesel powered taxicab fleet Efforts were made to ease the transition with incentives offered to owners, drivers and fuel suppllers 22 Cleaning the air ◼ Pollution had become a major concern in Hong Kong and while little could be done about factories across the border, actions were taken at home. In his 1999 policy address Hong Kong chief executive Tung Chee Hwa announced measures to tackle the territory’s deteriorating air quality. ◼ A 1998 trial of 30 Hong Kong LPG taxis found that they performed comparably well to diesel taxis, cost about the same to maintain, emitted “extremely low emissions” and were “virtually free of smoke”. Crucial factors to consider were the effect of fuel price on operating cost and the sufficient availability of filling stations and maintenance shops. Encouraged by the results, the government set out to convert the territories diesel powered taxicab fleet. Efforts were made to ease the transition with incentives offered to owners, drivers and fuel suppliers