MarineDiesel Sweden AB has always been at the front of current and future emissions regulations. All engines are designed with environmental concerns in mind while maintaining simple mechanical control and serviceability.
In effect in Europe from January 1st 2006. Only applies to Pleasure craft marine propulsion engines.
The international Maritime Organisation has issued regulation 13 to Annex VI of Marpol 73/78 which entered into effect on January 1, 2000 for diesel engines above 130 KW (175hp) installed on a ship.
On January 1, 2004, emissions regulations mandated by the EPA entered into effect for new commercial marine diesel engines installed on a vessels flagged or registered in the United States. The EPA has set forth two Tiers of standards with a phased implementation based on per cylinder displacement. Tier 1 emission standards are set at the same level as Annex VI of MARPOL 73/78 (IMO), and regulate levels of Nitrogen Oxides (NOx). Tier 1 applies to all commercial propulsion and auxiliary diesel engines with a displacement above 2.5 liters per cylinder.