System For Adapting An Internal Combustion Engine To Be Powered By Gaseous Fuel In Gas Phase And By Gaseous Fuel In Liquid Phase

System for adapting an internal combustion engine to be powered by gaseous fuel in gas phase and by gaseous fuel, an internal combustion engine arrangement comprising the system and a method for adapting an internal combustion liquid fuel engine to be powered by gaseous fuel in gas phase and gaseous fuel in liquid phase.