[Army Air Corps]

And those semi’s do not have to lift any of their load off the ground. Also, an airship does not have lifting surfaces (wings) to provide lift. All lift in an airship comes down to the amount of mass that a volume of lifting gas can lift; the more cu-ft of gas, more lift.

[from occupied ga]

And those semi’s do not have to lift any of their load off the ground

Absolutely true, but again irrelevant to my point. There are one heck of a lot cheaper ways of slowly getting something from one place to another than using an airship.