2014 GUIDELINES ON THE METHOD OF CALCULATION OF THE ...
.1 If the total gas fuel capacity is at least 50% of the fuel capacity dedicated to the dual fuel engines, namely f DFgas ≥, then gas fuel is regarded as the "Primary fuel," and f DFgas = 1 and f DFliquid = 0 for each dual fuel engine. .2 If f DFgas <, gas fuel is not regarded as the "primary fuel." The C F