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The diesel discussion is becoming more objective, the sustainability of diesel technology is increasingly being discussed in a less prejudicial manner among experts, in the media and social networks. Here, we explain the key facts and most dubious details about NOx and particular matter.

The myth of the Neckartor
Rush hour: Many working people depend on their cars every day. Those with long commutes chose diesel engines for good reasons.
The air is getting cleaner and cleaner in urban and rural areas throughout Germany: Since 1990, the annual average values for particulate matter have been declining more and more.
Enormous differences: Only on a few days of the year are the particulate matter values exceeded nationwide at individual locations (left). Due to the fireworks on New Year's Eve/New Year's Eve, particulate matter levels are regularly very high throughout Germany (right).
Cars brake when approaching a traffic light. That and the subsequent acceleration generate disproportionally high particulate values. That’s the reason there are clear rules for setting up measuring points
Even only few candles drive the nitrogen dioxide value far above the limit permitted on the road.
Anyone who cooks pasta and tomato sauce on the gas stove for only 15 minutes generates the 30-fold amount of nitrogen dioxide than is permitted
The daily average values for fine dust at the port of Hamburg are 200 micrograms per cubic meter. For comparison: In Max-Brauer-Allee, which is closed to diesel vehicles, the daily average is 10.