Anew pathway towards a low-emission and ultimately a zero-emission future in shipping has recently been opened up through the market introduction of a series of hydrogen dual-fuel (DF) propulsion engines under the BeHydro brand. The powering solution offers the opportunity to reduce CO_2 emissions by up to 85% from reciprocating engine machinery. Four models of the medium-speed, four-stroke design, spanning a maximum rating band from 1,000kW to about 2,700kW, have been released by the BeHydro joint venture of Antwerp-based deep-sea operator Compagnie Maritime Beige (CMB) and Ghent manufacturer ABC Engines. The introductory DF offering, designated the DZD series, encompasses six- and eight-cylinder in-line models, and 12- and 16-cylinder vee-form types, each delivering some 166kW per cylinder at a crankshaft speed of l,000rpm. A companion range of 100% hydrogen, spark-ignited (SI) versions is set to follow, promising wholesale elimination of CO_2. ABC's DZC proven medium-speed family has provided the technical platform for the initial BeHydro hydrogen DF engines and the nascent hydrogen monofuel (spark-ignited) engines.
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