The old testing system did not consider the body of the vehicle to its extent of consumption. The WLTP, is more realistic and will take into account the influence of equipment, rolling resistance and any element that plays on the weight and aerodynamics of vehicles.
Here is where AkyDrive OEM components are superior to alternative materials as its lightweight can reduce the overall weight of vehicles and can be a contributor to improved vehicle aerodynamics.
Respect for the reference mass of a vehicle will no longer be the sole concern of the coach builder who must now ensure that the vehicle meets the various criteria determined by the manufacturer.