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Diesel cars cause more than twice the air pollution of buses and lorries
18 January 2017 @ 11:48

DIESEL-POWERED cars create more air pollution than buses and lorries running on the same fuel, according to a report by the independent International Council for Clean Transport (ICCT).

In fact, small private diesel-run vehicles give off more than double the about of Nitrous Oxide (NOx) as multi-person communal transport vehicles using the same type of fuel.

When the ICCT carried out research which showed discrepancies between emission data recorded in laboratories and 'real' emissions on the roads, the results sparked further investigations which unmasked the Volkswagen 'Dieselgate' scandal.

Data from Germany and Finland were used to show that cars using the 'Euro 6' type of diesel – which complies with current air-pollution legislation – generated between 480 and 560 milligrams (mg) of NOx per kilometre, whilst buses and lorries using the exact same diesel type only let off 210mg per kilometre.

The ICCT report concludes by stressing the need for road tests to calculate emissions, in addition to the standard laboratory tests, as the only way of assessing true NOx levels generated in order to prevent or reduce them.



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