CO2 emission standards for cars and vans: the difficult switch from one test procedure (NEDC) to another (WLTP) | oeko.de https://www.oeko.de/blog/co2-emission-standards-for-cars-and-vans-the-difficult-switch-from-one-test-procedure-nedc-to-another-wltp/
The update of the CO2 emission standards for cars and vans for the post-2020 period is currently being negotiated. Peter Kasten discusses the switch from a NEDC to a WLTP based regulation scheme and how it could affect the effective real-world emission reduction.
Even though all vehicles have been tested with the WLTP during the type-approval