Division 3.2 F1
United Kingdom
In the case of dual-fuel engines, adaptive strategies are allowed provided that all of the following conditions are met:
- (a)
the engine always remains in the dual-fuel type that has been declared for type-approval;
- (b)
in case of a Type 2 dual-fuel engine, the resulting difference between the highest and the lowest GER WHTC within the family shall never exceed the percentage specified in paragraph 3.1.1 of Annex 15 to UNECE Regulation No 49;
- (c)
these strategies are declared and satisfy the requirements set out in this Annex.