Road vehicles. Road load - Determination under reference atmospheric conditions Ingestion-build-251241 Guidance on the selection of

Guidance on the selection of testing levels A

the temper is used or is available for use by more than one user

Local government agencies

Vehicle Safety Authorities

Road vehicles. Road load - Determination under reference atmospheric conditions Ingestion-build-251241 Guidance on the selection of1 Scope This part of ISO 10521 specifies methods of determining the road load of road vehicles for subsequent test purposes, for example, fuel consumption tests or exhaust emission measurements. This determines the road load of a vehicle running on a level road under reference atmospheric conditions. It is achieved by either the coastdown method, the torquemeter method or the wind tunnel chassis dynamometer method. This part of ISO 10521 is applicable