What Africa's First Roadside CO2 Sensors Hope to See
Africa's first roadside vehicle emission data sensors went live in Johannesburg, the wealthiest city in South Africa, in July. The goal is to measure the tailpipe carbon dioxide (CO2) emissions from a batch of 100,000 vehicles daily. To date, no city in sub-Saharan Africa has implemented car emission-free zones like those in Paris or Amsterdam. South Africa is the 13 th most carbon-polluting economy on earth. Raeesa Moolla , an air quality expert at the city's Wits University, reports that...
