text: Diesel fuel was blamed, since france has a tax policy that favors diesel over gasoline. Diesels make up 67 percent of vehicles in france, compared to a 53.3 percent average of deiselengines in the rest of western Europe, according to reuters. Delivery companies complained of lost revenue, while exceptions were made for plug in cars, hybrids, and cars carring three or more passengers. Public transit was free of charge from friday to monday, according to the bbc.