DVSA highlights Euro 6 vehicle emissions issues

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DVSA’s 2018 Vehicle Emissions Testing Programme has highlighted the threat to air quality improvements in ultra-low-emission zones from poor vehicle emissions from some Euro 6 cars.

Tests carried out by the DVSA on a range of popular Euro 6 vehicles identified low and high emitters in line with the results of similar tests conducted for Allow Independent Road-testing (AIR) and published in the AIR Index.

Nick Molden, co-founder of the AIR Index, said, “Cities who are using or plan to use Euro 6 as the threshold for access policies will not deliver the air quality improvements expected and will not solve their breach of urban air quality in the time required.

“The DVSA’s latest test results confirm the importance of independent testing to provide confidence and transparency about actual emissions during on-road driving. We welcome the government’s publication of this report, which aligns with the results of vehicles rated for the AIR Index, and it highlights again that not all Euro 6 cars control NOX emissions to the same degree.’

The DVSA tests reveal that some fully homologated vehicles meeting the legislated laboratory tests produce up to 20 times the NOX emissions limit during the WLTP track test.

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About Author


Sam joined the UKi Media & Events automotive team in 2017. Having started out as assistant editor for a number of titles including Engine + Powertrain Technology International, Automotive Testing Technology International and Professional Motorsport World, he was appointed editor of E+PTI in 2020. Sam produces content for both the magazine and website.

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