Document ID: chunk:federal_register_of_legislation:F2024L00447:front:0:p17
Version: federal_register_of_legislation:F2024L00447
Segment Type: other
Provision Reference: 
Character Range: 49222–50717

value PMRL (= lowest power-to-mass-ratio of all vehicles in the PEMS test family). At least one vehicle configuration representative for the specified PMRH and one vehicle configuration representative for the specified PMRL of a PEMS test family shall be selected for testing. The power-to-mass ratio of a vehicle shall not deviate by more than 5 per cent from the specified value for PMRH, or PMRL for the vehicle to be considered as representative for this value.

              6.4.3.3. At least one vehicle for each transmission type (e.g., manual, automatic, DCT) installed in vehicles of the PEMS test family shall be selected for testing.

              6.4.3.4. At least one vehicle per each configuration of driven axles shall be selected for testing if such vehicles are part of the PEMS test family.

              6.4.3.5. For each engine volume associated with a vehicle in the PEMS test family at least one representative vehicle shall be tested.

              6.4.3.6. At least one vehicle in the PEMS test family shall be tested in hot start testing.

              6.4.3.7. Notwithstanding the provisions in paragraphs 6.4.3.1. to 6.4.3.6., at least the following number of vehicle emission types of a given PEMS test family shall be selected for testing:

Number of vehicle emission types in a PEMS test family (N)  Minimum number of vehicle emission types selected for PEMS cold start testing (NT)  Minimum number of vehicle emission types selected for PEMS hot start testing