MAN 175D ready to operate on 100% biofuel

The MAN 175D high-speed engine

Source: MAN Energy Solutions

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.

Florian Keiler, Head of High-Speed Sales, MAN Energy Solutions, said: “MAN Energy Solutions prepares its engines for operation on future and sustainable fuels and the MAN 175D is no exception. Several such units have been running on up to B30 biofuel in commercial, as well as governmental, applications for several years already where our experience has been very good and shown that the 175D does not suffer any loss in performance even when using these fuels. Due to its state-of-the-art design, just a few engine components are subject to slightly higher wear, depending on the amount of biofuel and the duration of operation. For uninterrupted engine operation, only minor adaptations of the fuel-treatment system are necessary.”

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.

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