road tests . The limit values for particulate matter will be reduced from ten to eight milligrams. “Complying with these new limit values, especially in ... be the case. In the future, Euro 7 will also include smaller particles of ten nanometres as well as those measuring 23 nanometres, as is currently the case ... special procedure. “This is something we’ve been dealing with for a good ten years,” says emissions expert Helge Schmidt. At the TÜV NORD Institute for