IN the past two weeks, Jakarta has consistently topped the list as the world’s most polluted city, according to IQAir, a Swiss-based air quality technology company. Irate by the ranking, the acting Jakarta Governor, Heru Budi Hartono, promptly ordered the Jakartans to work from home (WFH).

The WFH policy indicates the government’s assumption that the primary source of pollutants choking the city is motor vehicles. However, sever