Street-level air quality in European towns and cities is running significantly above EU limit values in any densely populated areas. Most problematic is the rise of harmful NO2 at street level – largely an unintended consequence of the past 15 years of regulations focusing closely on CO2 and diesel particulate emissions. Air quality experts from Ricardo Energy & Environment explain to Tony Lewin how the excess NOx arises and how new models in the pipeline promise to make tomorrow’s diesels clean on all counts
There can be little doubt that Europe has a problem with nitrogen dioxide (NO2) emissions. This is ...