Flexibilities in the NEDC test approval procedure

Infographic

Prod-ID: INF-35-en

Published 27 Jan 2016 Last modified 07 Nov 2016

Flexibilities exploited by manufacturers during the NEDC test cycle can be broadlygrouped into two categories: those relevant to the initial coast-down test and thoserelevant to the type approval test itself.

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Based on data

Investigations and real world emission performance of Euro 6 light-duty vehicles TNO Report R11891: The objective of this research is to assess the real world emission performance of Euro 6 diesel passenger cars and to provide emission factors for this category.

Mind the Gap 2015: Closing the chasm between test and real-world car CO2 emissions Report of the European Federation for Transport and Environment: The system of testing cars to measure fuel economy and CO2 emissions is utterly discredited. This report analyses the gap between test results and real-world performance and finds that it has become a chasm, increasing from 8% in 2001 to 31% in 2012 and 40% in 2014. Without action this gap will grow to nearly 50% by 2020.

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Explaining road transport emissions - A non-technical guide Road transport is an important source of both greenhouse gases and air pollutants. Despite improvements in vehicle efficiencies over past decades, today the sector is responsible for almost one fifth of Europe's greenhouse gas emissions. Emissions from vehicles also lead to high concentrations of air pollutants above EU standards in many of Europe's cities. This report provides a summary of the current knowledge on vehicle emissions in Europe. It also explains how emissions are monitored and the common technologies used to limit them.

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Austria , Belgium , Bulgaria , Croatia , Cyprus , Czechia , Denmark , Estonia , Finland , France , Germany , Greece , Hungary , Ireland , Italy , Latvia , Lithuania , Luxembourg , Malta , Netherlands , Poland , Portugal , Romania , Slovakia , Slovenia , Spain , Sweden , United Kingdom

Temporal coverage

2013 , 2015

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Flexibilities in the NEDC test approval procedure