The big question is… What is WLTP and how will the changes affect you?
To sell new vehicles in the UK from September 2018, all vehicle manufacturers are required to conform to the new Euro 6d TEMP legislation. The test cycles used for Euro 6d TEMP are WLTP and RDE.
The Worldwide Harmonised Light Vehicle Test Procedure (WLTP) is a new, global, vehicle test procedure which is both laboratory and road based. It has been developed to provide more accurate measurements of a vehicle’s fuel economy and emissions which are closer to those found in real driving conditions. For new models, WLTP came into effect in September 2017, however, from September 2018 any new vehicles on sale will need to undergo WLTP testing.
The Real Driving Emissions (RDE) test measures the emissions of vehicles whilst driving on public roads and exposed to a wide range of conditions. Portable Emissions Measurement System (PEMS) equipment is installed in vehicles to collect the data.
How will these changes affect you?
What are the differences between WLTP and the old testing method?
Because of all these improvements, WLTP will provide a much more accurate basis for calculating a car’s fuel consumption and emissions. This will ensure that lab measurements better reflect the on-road performance of a car.
The transition to WLTP…
How are manufacturers meeting the new emission requirements?
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