NOx Regulations under MARPOL Annex VI

  updated to July 2026 1. What are NOx emissions? NOx means nitrogen oxides, principally: nitric oxide — NO; and nitrogen dioxide — NO₂. NOx is mainly formed when nitrogen […]

SOx Regulations under MARPOL Annex VI

updated to July 2026 1. What are SOx emissions? SOx means sulphur oxides, mainly sulphur dioxide (SO₂). They are produced when fuel containing sulphur is burned in: main engines; auxiliary […]

LNG Value Chain

Liquefied natural gas (LNG) is natural gas cooled to about -162°C so that it becomes a liquid occupying roughly one six-hundredth of its gaseous volume. Liquefaction makes long-distance transport possible […]