The Worldwide harmonised Light vehicles Test Procedure (WLTP) defines a global harmonized standard for determining the levels of pollutants and CO2 emissions, fuel or energy consumption, and electric range from light-duty vehicles (passenger cars and light commercial vans).

One of the main objectives of the WLTP procedure is to better align the laboratory test results with realistic vehicle usage, based on current engine technologies. Given the importance of CO2 targets for the economic performance of vehicle manufacturers worldwide, WLTP also aims to harmonise test procedures on a global level, in order to create an equal playing field in the market.

Will WLTP affect my business?

Car policy

Under the WLTP procedure, average CO2 values are expected to rise. As a consequence, companies that have included a CO2 limit in their car policy will need to analyse the exact impact of the new CO2 values on the available vehicle list. This will be possible once the official data are made available by the manufacturers.


While the WLTP procedure has been adopted on international level, vehicle taxation is still a country-specific matter. Therefore, governments are expected to adjust local legislation in order to clarify any uncertainty regarding the impact on vehicle-related taxation. To this date, no detailed information is available.

View more info on Fleet Strategy and Taxation

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