- The power source is a trade-off between space and various factors.
- It depends on the weight of the fuel and power generator and the total capacity of the ship.
- Powering the ship must be deducted from the freight earned for carrying cargo.
- HFO is the normal fuel of choice for ships because it is relatively cheaper.
- Methanol is a good substitute for HFO and ICE is preferred as the most efficient means of using fuel.
- Ammonia is twice as energy-rich as liquid hydrogen by weight.
According to an...
https://mfame.guru/weighing-the-pros-and-cons-of-hydrogen-and-ammonia-as-fuel-source/