Division 7.2.3.3 F1

For diesel, ethanol (ED95), petrol, E85, LNG ₂₀ , LNG and LPG fuelled engines, including dual-fuel engines, all those tests may be conducted with the applicable market fuels. However, at the manufacturer’s request, the reference fuels specified in Annex IX may be used. This implies tests, as described in Section 1 of this Annex, with at least two of the reference fuels for each LPG or LNG engine, including dual-fuel engines.