NOx Reduction Rate η
“NOx reduction rate η” means a value deriving from the following formula. Unit of η is (%).
Source: Resolution MEPC.198(62), 2011 Guidelines addressing additional aspects to the NOx Technical Code 2008 with regard to particular requirements related to marine diesel engines fitted with Selective Catalytic Reduction (SCR) Systems, 15 July 2011, International Maritime Organization. Regulatory Guidance