text: In Paris they have banned driving due to smog. Diesel fuel was balmed since France has tax ploicy that favors diesel over gasoline. Diesels make up 67 percent of vehicles in France, compared to a 53.3 percent average of diesel engines in the rest of Western Europe. Paris has more smog than other European capitals. Paris had 147 micrograms of particulate matter per cubic meter compared with 114 in Brussels and 79.7 in London. Certain things like this can help save the environment without the usage of vehicles.