Analysis of information sources in references of the Wikipedia article "Automobile" in French language version.
« Sources that were identified as being common key categories for six of the seven main pollutants were Road transportation, Manufacturing industries and construction, National navigation (shipping) Agriculture/forestry/fishing and Residential. The importance of the Road transportation category in terms of the contribution it makes to total EU‑27 emissions is clear — it is the most significant source of NOX, CO, and NMVOCs, and the second most important source for PM10 and PM2.5 emissions. »
« Sources that were identified as being common key categories for six of the seven main pollutants were Road transportation, Manufacturing industries and construction, National navigation (shipping) Agriculture/forestry/fishing and Residential. The importance of the Road transportation category in terms of the contribution it makes to total EU‑27 emissions is clear — it is the most significant source of NOX, CO, and NMVOCs, and the second most important source for PM10 and PM2.5 emissions. »