text: Second in Paris after days of record breaking pollution Paris ban driving for a little while to clear the air of the city. Sectin 2 paragraph 14 "Congestion was down 60 perecent in the capital of France, after 5 days of intensifying smog...". Diesal fuel was to blam since almost all of Frances cars run on Diesel instead of gasoline. The smog finally cleared up Monday for them to take the banned off of driving.