Vehicle emission tests: beyond the VW case
Sracfhéachaint
01-10-2015
It appears Volkswagen has cheated emission tests on its diesel cars in the US, allowing nitrogen oxide (NOx) emissions well above legal limits, with dire consequences on health and the environment. This has highlighted differences between emissions checks in the US and the EU as well as discrepancies between emissions in tests carried out under laboratory conditions and in on road performance, for both pollutants and CO2. However, new testing methods expected to better reflect real-world emissions could be implemented soon.
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