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Real road emissions tests for new car models to be in force in UK

ABR Staff Writer Published 28 August 2017

New car models will have to pass real world driving emissions tests before being allowed on the UK roads from 1 September 2017.

The new models of petrol and diesel cars will have to go through the new emissions test, which will be a 90 minute test where real world driving conditions will be simulated.

The test is claimed to have a mix of urban, countryside and motorway driving conditions. Reforms with the new tests are expected to significantly reduce nitrogen dioxide emissions, while stopping carmakers from cheating on the emissions test.

Limits in the test have been introduced under European-wide reforms, which the UK government claims to have led the way in calling for.

UK government stated that Euro 6 diesel cars were emitting 6 times more nitrogen dioxide in real world conditions than in a lab. The new reforms dictate that these emissions will have to be decreased by at least two-thirds, in order for a vehicle to pass through the test.

The test is also claimed to have been designed to stop car-makers from resorting to deception of emissions tests, similar to Volkswagen manipulating test results with sensors that detected when the vehicle was running in a laboratory.

During the test, vehicles will be subjected to about equal splits between town, country and motorway driving.  All the cars sold in the UK will have to go through this test before they are sold in the country.

UK Transport Minister Paul Maynard said: “We are taking strong action to clean up our air and these tough new emissions standards will reduce dangerous pollutants. This government has led the way in Europe pushing for on-road emissions tests, alongside a tough new laboratory test, to clean up air in our towns and cities.

“This will ensure all vehicles meet rigorous standards when driven on our roads – and we are going even further tightening requirements again in 2020.”


Image: UK to introduce stricter emissions test for new vehicles starting this September. Photo: Courtesy of Crown copyright.