since co targets are becoming more and more important for the economic performance of vehicle manufacturers all over the world, wltp also aims to harmonize test procedures on an international level, and set up an equal playing field in the global market. besides eu countries, wltp is the standard fuel economy and emission test also for india, south korea and japan. in addition, the wltp ties in with regulation (ec) 2009/443 to verify that a manufacturer’s new sales-weighted fleet does not emit more co on average than the target set by the european union, which is currently set at 95gr of co per kilometer for 2021.