TFA specifically said volume is the last thing a ship operator wants to sacrifice. Volume used for batteries is volume that cannot be used for cargo.
A huge amount of volume is already used for fuel and the engine. 2 million gallons of fuel for a Panamax is around 7,600 cubic meters.
A huge amount of volume is already used for fuel and the engine. 2 million gallons of fuel for a Panamax is around 7,600 cubic meters.