Engine producer MAN Vitality Options stated it expects to see elevated gross sales from the approaching China’s Stage II—generally often called the C2-emission customary (GB15097 regulation)—attributable to enter into power in July 2021.
The brand new laws will primarily apply to inland waterways, coastal areas and most rivers, masking home bulk carriers, feeder containers, oil tankers, passenger RoRos and authorities vessels, and MAN stated it expects the introduction of the brand new laws will spur gross sales of its small-bore, four-stroke MAN L21/31 engine kind.
Directive limits relate not simply to NOx and hydrocarbons (HC) but in addition to particulate matter (PM), which is attracting elevated focus from the maritime business. The bounds are notably difficult for kind 2 marine engines with single-cylinder displacements of underneath 15 liters, and an total energy output of <2,000 kW, MAN stated.
Finn Fjeldhøj, Head of Small-Bore, 4-Stroke Engineering, MAN Vitality Options, stated, “As quickly as C2 got here on the horizon, we realized it was a superb alternative for our MAN L21/31 engine, whose compactness, low fuel-oil consumption and energy ranking make it notably suited to this section. Intensive testing exhibits that it complies with C2 particulate-matter limits while not having a particulate filter, whereas an SCR system shall be required to satisfy NOx necessities. In follow, such an SCR system shall be sparingly employed to optimize engine effectivity and restrict after-treatment operational bills. We’re assured that this sensible resolution will win favor in vessels crusing Chinese language inland-waterways.”
MAN Vitality Options stated the L21/31 can fulfill classification necessities as each controllable-pitch-propeller (CPP) propulsion and genset functions. Based mostly on latest analysis, MAN is already able to pursuing the engine’s official emission certificates from the China Classification Society however continues to develop extra superior options with its licensees to additional scale back the environmental impression of the engine, in addition to prospects’ operational prices.