text: Paris, France is one of these cities that is revolutionizing its transportation. Paris has more smog than any other European counry, with 147 micrograms of particulate matter in the air, compared to 79.7 micrograms in London (Par. 17, Duffer). The smog rivaling that of Beijing, China, attempts were made by the government to reduce this smog, fining motorists for two days if they were found using their cars. France, having tax policies that favored the use of diesel over regular gas, blamed diesel fuel for it's record pollution levels.