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Supplemental NOx standards for Euro IV/V HDVs in Beijing

Some heavy-duty diesel vehicles certified to the Euro IV and V standards emit excess NOx emissions when operating in low-speed, urban driving conditions. In some cases, real-world NOx emissions from...
Published 2013.07.18: Publication

Laboratory versus real world: Discrepancies in NOx emissions in the EU

Last week we published the new edition of our pocketbook of European Vehicle Market Statistics. For those interested in road vehicles and their impact on our climate and air quality, the pocketbook...NOx emissions from gasoline cars in the EU have decreased significantly since 2000. Not so for diesel cars, and the increasing numbers of diesel vehicles is intensifying the resulting health problems...
Published 2012.11.07: Blog Post

Urban off-cycle NOx emissions from Euro IV/V trucks and buses

Despite meeting more stringent regulatory standards for exhaust emissions during type approval, many Euro IV and Euro V heavy-duty vehicles equipped with selective catalytic reduction (SCR) systems...
Published 2012.04.10: Publication

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