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New 'real world' emissions test for cars comes into force this week

30 August 2017

New models of diesel and petrol cars will have to pass a new emissions test before they are allowed on Britain’s roads from Friday (September 1, 2017).

Under the old test, vehicles were tested in the lab on a rolling road but now they will have a 90-minute real world driving test. The limits are being introduced under European-wide reforms.

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

The Government’s diesel testing programme last year found that today’s Euro 6 diesel cars were emitting six times more nitrogen dioxide in the real world than in the lab. Under the reforms, now they will have to slash those emissions by two thirds – helping clean up air in towns and cities across Britain, says the Government.

The new test is also designed to stop car manufacturers cheating on the emissions test.

During the 90-minute test vehicles will have emissions testing equipment attached to the exhaust pipe, and they must pass before they are approved to go on sale in Britain.

The vehicle will have to do roughly equal splits of town, countryside and motorway driving. The test will then be rolled out for all new cars on sale in Britain from September 1, 2019.

Fleet operators have called for clarity on the future basis of vehicle taxation beyond the current system of CO2 emissions derived from the combined miles per gallon (mpg) figure.

A working group, led by the British Vehicle Rental and Leasing Association (BVRLA), and including vehicle manufacturer representatives, data providers and fleet operators, held a workshop to discuss the IT system and data implications of the introduction of the new Worldwide Harmonised Light Vehicle Test Procedure (WLTP).

The Government has pledged to keep using NEDC CO2 figures for tax purposes in the short term, which means it will be ‘business as usual’ for leasing companies providing vehicle quotations.

The Department for Transport has also recently set up a Market Surveillance Unit, which tests vehicles already on the road to make sure they meet emissions standards.

Source: Fleet News