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Volvo is first car maker here to comply with new WLTP Fuel Consumption and Emission Testing Protocols


Volvo has become the first car manufacturer in the UK and Ireland to homologate its entire model range under the new Worldwide Harmonised Light Vehicle Test Procedure (WLTP).

All Volvo petrol, diesel and hybrid models now comply with the stringent ‘Euro 6d-temp’ standard for tailpipe emissions, as part of the firm’s model-year 2019 range update which started production in April.

It also puts Volvo well ahead of the 1 September 2018 deadline where only WLTP-homologated cars can be sold in Europe.

The aim of the new WLTP cycle is to ensure published fuel economy and emissions – which all manufacturers legally must publish – offer a more realistic reflection of real-world driving, helping customers to judge better the fuel and emission efficiency of their car.

WLTP is a laboratory test, and replaces the New European Driving Cycle (NEDC) that can trace its roots back to the 1980s. Both tests enable customers to make comparisons between different vehicles, but WLTP uses a driving cycle that is more reflective of on-road driving.

The WLTP test is also backed up by the new Real Driving Emissions (RDE) test – an on-road test of up to 120 minutes, which evaluates a car under a variety of driving conditions and speeds. A car can only be sold once it passes both WLTP and RDE tests.

The figures Volvo publishes for its models are achieved through the WLTP cycle, then correlated back to an NEDC equivalent for comparison purposes.

The move to WLTP follows last year’s announcement that all new Volvo models released from 2019 will be offered in electrified-only variants, and a further announcement in April that Volvo aims for fully electric cars to make up 50 per cent of its global sales by 2025.