Wartsila has recently secured a contract to supply its 50DF dual-fuel engines for the 100th LNG carrier to be powered by these units. This total is split fairly evenly between ships in service and those on order. A measure of the popularity of the dual-fuel diesel-electric (DFDE) propulsion system option among LNGC owners is that it has been specified for over 85 per cent of the 86 such vessels currently on order.
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