Certification
Real Driving Emissions (RDE). Issues and challenges

Vehicle type-approval with regard to pollutant emissions is in fact the vehicle's certificate of compliance with the current standard (Euro 6). In Europe, homologation requirements are defined by legislation adopted by international bodies such as Regulation 83 of the Economic Commission for Europe. . Each country has its own homologation testing bodies, including France's UTAC (Union des techniques automobiles et du cycle, http://www.utac.com ), Germany's TUV (Technischer Überwachungs-Verein,