A new Ostensjo Rederi OSV is making novel use of horse urine to cut emissions.
The 3,200-dwt Edda Mistral accommodation unit will work for Danish energy company Orsted on the UK's Hornsea Project One wind farm in the UK, which will be the world's biggest, powering more than 1m homes.
The vessel has been launched at the Astilleros Gondan yard in Spain with new energy-saving features.
