 She is powered by a Wärtsilä-Sulzer 14RTFLEX96-C engine, the world's largest single diesel unit, weighing 2,300 tonnes and capable of when burning of heavy fuel oil per hour.At economical speed, fuel consumption is 0.260 bs/hp·hour (1,660 gal/hour).She has features to lower environmental damage, including exhaust heat recovery and cogeneration.