16.01.2017
Four major global metropoles are planning to ban diesel-powered
transport by 2025 in favour of walking and cycling to improve air
quality in the cities.
The mayors of Paris, Mexico City, Madrid, and Athens made the commitments in Mexico at a biennial C40 meeting of city leaders.
Concerns about the use of diesel fuel have grown in recent years and
the World Health Organisation, for example, says that ambient air
pollution causes three million deaths worldwide annually.
Diesel engines contribute to the problem in two key ways - through
the production of particulate matter (PM) and nitrogen oxides (NOx).
PM can find its way into citizen’s lungs and contribute to
cardiovascular illness and death, while NOx can ground level ozone that
can cause breathing difficulties even in people without a history of
respiratory problems.
At the C40 meeting in Mexico, the leaders of the four large cities
with known air quality problems declared that they would "commit to
doing everything in their power to incentivise the use of electric,
hydrogen and hybrid vehicles."
"It is no secret that in Mexico City, we grapple with the twin
problems of air pollution and traffic," the city's mayor, Miguel Ángel
Mancera, told the BBC.
"By expanding alternative transportation options like our Bus Rapid
Transport and subway systems, while also investing in cycling
infrastructure, we are working to ease congestion in our roadways and
our lungs."
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