German KBA approving hardware retrofits to reduce NOx emissions for passenger cars
Green Car Congress
APRIL 17, 2020
This means that Euro 4 or Euro 5 diesel cars can be retrofitted and exempted from traffic restrictions in certain regions. Vehicle owners who have their vehicles converted can do so not only contributes to improving air quality, they maintain their mobility in particularly polluted regions. —Richard Damm, President of the KBA.
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