Four initials are shaking the world fleet on his bases. The WLTP (Worldwide Harmonized Light Vehicle Test Procedure) raises a number of questions and questioning the choices and practices of businesses. This standard of certification implemented by the international authorities is supposed to reflect more accurately the CO2 emissions and fuel consumption. The scandal of diesel has revealed the limits of the NEDC (New European Driving Cycle), the previous protocol, sometimes regarded as fanciful, and easy-to divert by the manufacturers.
The old tests are performed solely in the laboratory have succeeded new procedures enriched on road test. Baptized “emissions tests in real-life driving” (RDE or Real Driving Emissions), the latter are expected to take into account all of the parameters within which operates a vehicle. More faithful to the reality, the standard WLTP thus increases the emissions and the consumptions displayed by the manufacturers and should be used …
