MAN 175D engine formally approved for up to 100% HVO and FAME

In Denmark, MAN Energy Solutions has announced that its MAN 175D engine is formally approved for operation on biofuels, effective immediately. This applies to all standard biofuels such as HVO (Hydrotreated Vegetable Oil) and FAME (Fatty Acid Methyl Ester) fuels up to a content of 100%. Crucially, the engine itself does not require any technical adjustments, following the announcement.

Due to the lower energy content of FAME fuels, the engine’s Maximum Continuous Rating would drop if no correction measures were applied. Therefore, MAN Energy Solutions has developed a solution that allows the correction of the load by means of a Fuel Adaption Control ensuring full MCR power, also when operating with 100% FAME fuels.