Diesel: the silent killer
柴油：沉默的殺手

Diesel was once seen as a pragmatic way to save the planet because of its fuel efficiency. Then came the Volkswagen emissions scandal. Now diesel, a leading cause of nitrogen dioxide pollution, is becoming known as a silent killer. Andrew Ward discusses how car makers and governments are reacting to the problem with the FT’s Peter Campbell and Pilita Clark.
柴油由於其燃油效率，曾經被視爲拯救地球的務實方式。 隨後大眾排放醜聞被爆出，現在柴油是二氧化氮汙染的主要原因，正在成爲一名無聲的殺手。