Final answer:
LP-gas fuel containers installed on a passenger-carrying vehicle are limited to aggregate water capacity, which means the combined capacity of all the containers.
Step-by-step explanation:
LP-gas fuel containers installed on a passenger-carrying vehicle are limited to aggregate water capacity, which means the combined capacity of all the containers. For example, if the fuel containers on a passenger vehicle are limited to 5 gallons each and there are 3 containers, then the aggregate water capacity would be 15 gallons.