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4. General conclusion and outlook
Although air quality continues to improve (reduction in NO
2
and fine particle (PM) concentrations in major cities in particular), threshold exceedances are still observed for NOx, PM and O
3
in France as well as in other European countries
The road transport sector is the biggest contributor to urban NOx emissions and the second biggest contributor to PM emissions, after the residential/tertiary sector. Over the past 30 years, road transport emissions have been steadily...
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General conclusion and outlook
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Bibliography
Websites
Ministère de la Transition écologique et solidaire :
Green Deal – European Commission:
Regulations
EU, 2004, Directive 2004/107/EC of the European Parliament and of the Council of 15 December 2004 relating to arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air (OJ L 23, 26.1.2005, pp. 3-16) ( https://eur-lex.europa.eu/eli/ dir/2004/107/oj ).
EU, 2008, Directive...
The Ultimate Scientific and Technical Reference
