Crystal chooses SulNOx to help lower emissions across fleet
SulNOx made its first public foray into the cruise market when it equipped Crystal Symphony with its decarbonisation product the SulNOxEco Fuel Conditioner.
Holly Payne, Editor Video Production and Deputy Editor
February 7, 2025
3 Min Read

An evaluation between May and December 2024 showed Crystal Symphony made an average fuel saving of 3.4% across the full period PHOTO: CRYSTAL CRUISES / SULNOX
Crystal Cruises is adopting the use of SulNOxEco Fuel Conditioner across its fleet, after Crystal Symphony showed promising results – such as improved efficiency and environmental performance – following application of the product.
It marked SulNOxEco’s first public foray into the cruise market.
Crystal Symphony study
The new entry for the UK-listed group follows a successful evaluation by Crystal Cruises of the greentech company’s core decarbonisation product, SulNOxEco Fuel Conditioner.