France has announced that they’re going to completely ban diesel cars by 2040 and other European nations are following suit. Paris itself has already banned any diesel car made before 2000 and is implementing a progressive ban on diesels with the idea of banning all diesel cars in the city by the late 2020s. It seems the French finally figured out what that vaguely sticky, gray-brown residue was that was coating everything in Paris.
Of course there are left all of the diesel trucks, trains, tractors, construction equipment, boats, and other equipment. Diesel is the fuel of industry