For the purposes of this Annex the definitions according to UN/ECE Regulation 49 Rev.06 and, in addition to these, the following definitions shall apply:

1. (1)

   ‘engine CO₂-family’ means a manufacturer's grouping of engines, as defined in paragraph 1 of Appendix 3;

2. (2)

   ‘CO₂-parent engine’ means an engine selected from an engine CO₂-family as specified in Appendix 3;

3. (3)

   ‘NCV’ means net calorific value of a fuel as specified in paragraph 3.2;

4. (4)

   ‘specific mass emissions’ means the total mass emissions divided by the total engine work over a defined period expressed in g/kWh;

5. (5)

   ‘specific fuel consumption’ means the total fuel consumption divided by the total engine work over a defined period expressed in g/kWh;

6. (6)

   ‘FCMC’ means fuel consumption mapping cycle;

7. (7)

   ‘Full load’ means the delivered engine torque/power at a certain engine speed when the engine is operated at maximum operator demand.

The definitions in paragraphs 3.1.5 and 3.1.6. of Annex 4 to UN/ECE Regulation 49 Rev.06 shall not apply.