Reconfiguration of diesel-powered haul truck with hybrid hydrogen fuel cell and battery power supply

A mining haul truck, comprising:

• a frame having a plurality of first available volumes
• a tray, the tray and a surface of the frame forming a second available volume,
• at least some of the first and second available volumes configured to receive components of a hybrid hydrogen fuel cell/battery-based powerplant;
• a fuel cell system disposed in at least one of the first available volumes or the second available volume;
• a battery system disposed in at least one of the first available volumes or the second available volume;
• and
• a hydrogen storage system (HSS) disposed in at least one of the first available volumes or the second available volume.